Department of Surgery
Providing the best choice for all patients suffering from digestive disorders
The Gastrointestinal Surgery Department at Saiseikai Yokohamashi Tobu Hospital is a team consisting of staff physicians from each sub-specialty (upper gastrointestinal tract [esophagus, stomach, duodenum], lower gastrointestinal tract [colon, rectum, anus], hepato-biliary-pancreatic, emergency surgery) and 10 residents. Together with Gastroenterology and Hepatology, we strive to ensure that the diagnosis and treatment at our hospital is the "best choice" for all patients suffering from gastrointestinal diseases.
We work as a team with Gastroenterology and Hepatology department to provide comprehensive medical care for both outpatient and inpatient care as a "Gastroenterology Center," allowing patients to visit us without having to worry about whether they want to see an internal medicine or surgical specialist.
In addition, our department crosses over with Emergency and Critical Medicine and provides medical care as one unit, allowing us to provide uninterrupted medical care even on weekends, holidays, and at night.
Even when detailed testing or advanced treatment is required, we will provide safe, advanced medical care tailored to each patient through cross-disciplinary collaboration with all clinical department.
We practice "team medical care" involving not only doctors and Registered Nurse but all professions, and we hope to provide "medical care from the patient's perspective," "less invasive and safer medical care," and "gastrointestinal surgical care that never gives up."
Introduction to sub-specialties
INFORMATIONNotice from the Department of Gastroenterology
About gastrointestinal Surgery
- Strengths and Features
- Medical treatment results
- Outpatient Treatment Schedule
- Flow of consultation and surgery
- Staff introduction
- Pancreatic cancer project
Target disease
The Department of Gastrointestinal Surgery deals with a wide range of diseases, both benign and malignant.
As the Gastroenterology Department of TOBU Cancer center, we provide highly specialized treatment for cancers of the digestive tract and hepato-biliary-pancreatic region.
| Organs | Target disease |
|---|---|
| esophagus | Esophageal cancer, hiatal hernia, spontaneous esophageal rupture, esophageal achalasia, esophageal submucosal tumor, etc. |
| Stomach and duodenum | Gastric cancer, gastrointestinal stromal tumor (GIST), duodenal cancer, gastric and duodenal ulcer perforation, gastric varices, etc. |
| Large intestine and anus | Colorectal cancer (colon cancer, rectal cancer), inflammatory bowel disease (ulcerative colitis, Crohn's disease), diverticulitis, hemorrhoids, anal fistula, etc. |
| liver | Liver cancer (hepatocellular carcinoma, intrahepatic cholangiocarcinoma, metastatic liver cancer), liver cysts, intrahepatic stones, liver damage |
| Pancreas and Biliary Tract | Pancreatic cancer, biliary tract cancer (bile duct cancer, gallbladder cancer, ampullary cancer), neoplastic pancreatic cysts, chronic pancreatitis, congenital biliary dilatation, cholelithiasis, common bile duct lithiasis, pancreatic injury, etc. |
| Other | Splenomegaly, retroperitoneal tumors, adrenal tumors, small intestinal tumors |
Providing the best choice for all patients suffering from digestive disorders
It would not be the best choice if patients were to be given different treatment plans for the same disease depending on clinical department they visited or the doctor in charge. As a "Digestive Center" that treats all patients with digestive diseases, regardless of the boundaries between surgery and internal medicine, we strive to provide the most appropriate medical care for each patient. For this reason, we hold conferences every day with doctors from Gastroenterology and Hepatology, radiology, pathology, and Emergency and Critical Medicine to thoroughly examine the diagnosis, treatment plans, and expected results for each patient.
The treatment plan for new patients will not be limited to the opinion of the initial doctor, but will incorporate various opinions at the gastrointestinal cluster conference and propose a treatment plan as a team at the hospital.
From minimally invasive surgery to highly difficult surgery
Contributing to patients with a wide range of medical technologies
Our department performs surgery for a variety of illnesses, from benign diseases to cancer surgery. As one of the prefecture's leading high-volume centers, we are proud of the large number of surgeries we perform, and we have been proactive in introducing laparoscopic and thoracoscopic surgery, which are minimally invasive surgeries that place less of a burden on patients, from an early stage onwards.
We are also focusing on the latest technology, robot-assisted surgery, and have been offering robot-assisted gastric cancer surgery as covered by health insurance since April 2018 (the first case was in September 2013) (TOPICS: Robot-assisted gastric cancer surgery). At the same time, we perform many highly challenging surgeries for esophageal cancer, liver cancer, pancreatic cancer, and other types of cancer. In the field of hepato-biliary-pancreatic surgery, we are one of only 11 facilities, including university hospitals, in the prefecture to be certified as a hepato-biliary-pancreatic advanced skills training facility by the Japan Society of Hepato-Biliary-Pancreatic Surgery (TOPICS: Training facility of the Japan Society of Hepato-Biliary-Pancreatic Surgery).
"Team medical care" created through cross-disciplinary collaboration
We provide reliable medical care through our emergency medical system.
When treating patients, we do not only rely on the doctor and Registered Nurse in charge, but also on all the professions in the hospital, from the pharmacy, clinical engineering, clinical laboratory, rehabilitation, oral surgery, nutrition, community medical cooperation, and administrative staff, to provide medical care from the patient's perspective. Furthermore, Patient Support Center (TOPS) will support patients from outpatient care and hospitalization to discharge, in cooperation with the Medical Cooperation Center (Discharge Coordination Office), from risk assessment of the surgery they will undergo, so that they can receive treatment in a comfortable environment.
In addition, our department places great importance on cooperation with Emergency and Critical Medicine, and is unique in that Emergency and Critical Medicine and (gastroenterological) surgery department operate as one unit, which is rare nationwide. This allows us to provide highly specialized emergency care at any time of the day, for example, if a patient suddenly becomes unwell after being discharged from the hospital after surgery.
Medical treatment results
Our department performs a large number of surgeries, both scheduled and emergency, with the number of surgeries performed in 2019 (total number of surgeries registered on NCD*) being 1,954.
A distinctive feature of our department is that we actively incorporate laparoscopic and thoracoscopic surgery, which has resulted in relatively short postoperative hospital stays.
For details on our medical records, please refer to the Gastrointestinal Surgery and Hepato-Biliary-Pancreatic Surgery pages.
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Esophagectomy | Thoracoscope | 11 | 11 | 6 | 11 | 17 | 13 | 19 | twenty one | twenty one | 28 |
| Thoracotomy | 3 | Five | 8 | 9 | 13 | 3 | 3 | 0 | 1 | 0 | |
| Gastrectomy | robot | 6 | 6 | 3 | 3 | Five | 8 | 8 | 6 | 18 | 28 |
| Laparoscopy | 69 | 55 | 75 | 79 | 70 | 53 | 57 | 64 | 63 | 49 | |
| Laparotomy | 60 | 67 | 43 | 32 | 29 | 14 | 8 | 8 | 9 | 13 | |
| Colectomy | robot | - | - | - | - | - | - | 2 | 6 | 20 | 39 |
| Laparoscopy | 101 | 110 | 123 | 149 | 135 | 146 | 125 | 180 | 156 | 147 | |
| Laparotomy | 125 | 149 | 117 | 66 | 59 | 63 | 61 | 24 | 26 | 30 | |
| Hepatectomy | robot | - | - | - | - | - | - | - | - | 1 | 15 |
| Laparoscopy | 7 | Five | 12 | 14 | 12 | 25 | 38 | 34 | 32 | 25 | |
| Laparotomy | 26 | 51 | 26 | 33 | 22 | 17 | 27 | 22 | 9 | Four | |
| Pancreatic resection | robot | - | - | - | - | - | - | - | 6 | 12 | 13 |
| Laparoscopy | 0 | 0 | 0 | 0 | 3 | 10 | 8 | 10 | 6 | 1 | |
| Laparotomy | 17 | 31 | 30 | 30 | 33 | 46 | 32 | 33 | 32 | 28 | |
| Cholecystectomy (benign) | 188 | 212 | 209 | 153 | 171 | 194 | 167 | 149 | 177 | 199 | |
| Hernia surgery | 170 | 172 | 166 | 144 | 121 | 151 | 183 | 159 | 208 | 175 | |
| Appendicitis surgery | 149 | 139 | 157 | 113 | 138 | 142 | 128 | 113 | 148 | 131 | |
▲If you are viewing this on a smartphone, slide left or right to see the entire table.
*About the NCD business
In order to improve the health of our patients and raise the level of clinical practice, our hospital participates in the database project run by the National Clinical Database, a general incorporated association. If you have any questions about this project, please feel free to ask your doctor.
[To Patients] About the database project linked to the specialist system
Outpatient clinic
| Monday | Tuesday | Wednesday | Thursday | Friday | |
|---|---|---|---|---|---|
| a.m. | Tomohisa Egawa Jun Sakuma |
Nobuhisa Yamada | Ryo Nishiyama | Matsumoto Kei Matsumoto | Masayuki Shimizu |
| Hiroe Naruo | Taku Kazemaki | ||||
| Ayumi Tsuchiya | Hernia outpatient | Yosuke Morimoto | Hernia outpatient | ||
| Hepato-Biliary-Pancreatic Outpatient Clinic | |||||
| afternoon | Tomohisa Egawa | Anal outpatient clinic※1 Pancreas outpatient clinic※2 |
Ryo Nishiyama | Yosuke Morimoto | Masayuki Shimizu |
| Yusuke Kazuki | Gallstone outpatient * 3 | ||||
| Gallstone outpatient clinic (Reservation required)※3 Pancreas outpatient clinic※2 |
Keiichi Kuriyama |
※1 Proctology outpatient clinic: Tuesday 13:00-14:00
*2 Pancreas outpatient clinic: Referral reservation required from medical institution
*3 Gallstone outpatient clinic (reservation required) Wednesday 15:00-16:00 Thursday 13:00-14:00
The process from consultation to surgery
At Tobu Hospital Surgery Department, we ask patients to come to the hospital without eating so that we can perform pre-operative examinations from the day of their first consultation, and we can perform abdominal CT scans on the day of their first consultation.
Here we will confirm the extent of tumor infiltration, suitability for resection, surgical procedure, etc.
From first visit to hospitalization
We aim to have the time between the first consultation and surgery be about 2-4 weeks. During that time, MRI and endoscopic examinations will be performed to diagnose cancer and determine the surgical procedure. In addition, cardiac and pulmonary function tests will be performed in preparation for general anesthesia, and you will be asked to visit Patient Support Center (TOPS) to prepare for surgery.
hospitalization
Hospitalization is usually the day before surgery. On the day of surgery, patients will be strictly monitored in an intensive care unit or semi-intensive care unit. Rehabilitation will begin immediately after surgery with pain management, and we aim for early discharge. Although this varies depending on the type of surgery and postoperative progress, patients are generally discharged in 7-10 days for stomach or large intestine resections, and 14-21 days for esophageal resections.
After discharge
Approximately two weeks after surgery, you will be seen for the first outpatient visit after being discharged from the hospital, and depending on the stage of the cancer, we will begin postoperative adjuvant chemotherapy. For approximately five years, you will be required to undergo regular blood tests, imaging tests, etc. as an outpatient.
Vice Director, Director of the Gastroenterological and General Surgery Center and Chief of the Breast Surgery Department
Tomohisa Egawa (1995 graduate of Nippon Medical School)
Specialized field
Upper gastrointestinal Surgery (esophagus / stomach)
Areas of specialization
Mirror surgery for esophageal and gastric cancer, robot-assisted surgery, gastrointestinal cancer chemotherapy
Board specialist / certified doctor
- Japan Surgical Society Specialist and Supervising Physician
- Japanese Society of Gastroenterological Surgery Specialist and Supervisor
- Japan Society for Endoscopic Surgery Certified Doctor (Stomach)
- Robot-assisted surgery (stomach) Recommended by Proctor
- Da Vinci Surgical System Operator Certification
- Japan Gastroenterological Endoscopy Society Specialist and Supervising Physician
- Japanese Society of Gastroenterology Specialist and Supervisor
- Japan Esophageal Society Certified Esophageal Doctor
- Provisional Supervising Doctor of the Japanese Society of Clinical Oncology
- Certified cancer treatment doctor and provisional education doctor by the Japan Cancer Treatment Certification Board
- Certified by the Japanese Society for Gastrointestinal Cancer Surgery
- Certified physician and provisional educator of the Japanese Society of Abdominal Emergency Medicine
- Japanese Society of Gastroenterology Specialist
- Delegate of the Japanese Gastric Cancer Association
- Councilor of the Japanese Society for Endoscopic Surgery
- Council Member, Japanese Society of Clinical Surgery
- Council Member, Japan Society of Abdominal Emergency Medicine
- medical doctor
- Visiting Associate Professor, Department of Surgery, Keio University
- Visiting lecturer at Toho University School of Medicine
- Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Chief of Surgery
Ryo Nishiyama (Tokyo Medical University, 2005 graduate)
Specialized field
General / Gastroenterological Surgery
Areas of specialization
Liver / gall bladder / pancreatic disease
Board specialist / certified doctor
- Surgical specialist and instructor of the Japan Surgical Society
- Gastroenterological Surgery Specialist and Supervising Doctor of the Japanese Society of Gastroenterological Surgery
- Japanese Society of Hepato-Biliary-Pancreatic Surgery, Highly Skilled Specialist
- Japan Society for Endoscopic Surgery certified doctor
- Gastroenterology specialist and instructor at the Japanese Society of Gastroenterology
- Specialist and Supervising Doctor of the Japan Society of Hepatology
- Certified instructor of the Japan Biliary Association
- Japan Pancreas Society Certified Supervisor
- Certified by the Japan Cancer Therapy Organization
- Japanese Society of Gastroenterological Surgery Certified Doctor for Gastroenterological Cancer Surgery
- Council member of the Japanese Society of Hepato-Biliary-Pancreatic Surgery
- Councillor of the Japanese Society of Clinical Surgery
- Robot-assisted pancreaticoduodenectomy Proctor
- Robot-assisted distal pancreatectomy Proctor
- Robot-assisted liver subsegmental or larger (except lateral segment)
Excision Proctor - Robot-assisted bile duct dilatation surgery (provisional)
Proctor - Japan Society of Robotic Surgery Specialist (Domestic Class B)
- medical doctor
- Part-time lecturer at Kanagawa Prefectural University of Health and Welfare
- Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Doctor
Yusuke Katsuki (Fukuoka University, 2007 graduate)
Specialized field
General / Gastroenterological Surgery
Areas of specialization
Liver / gall bladder / pancreatic disease
Board specialist / certified doctor
- Japan Surgical Society Specialist
- Gastroenterological Surgery Specialist, Japanese Society of Gastroenterological Surgery
- Japanese Society of Gastroenterological Surgery Certified Doctor for Gastroenterological Cancer Surgery
- Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Doctor
Toru Yamada (2008 graduate of Keio University)
Specialized field
General / Gastroenterological Surgery
Areas of specialization
Lower gastrointestinal tract
Board specialist / certified doctor
- Japan Surgical Society Specialist
- Japanese Society of Gastroenterological Surgery Specialist and Supervising Physician
- Certified surgeon for gastrointestinal cancer
- Japan Society of Coloproctology Coloproctology specialist and instructor
- Japan Society for Endoscopic Surgery Certified Doctor (Colon)
- Robot-assisted surgery certified doctor (da Vinci Xi)
- Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
- Robotic assisted surgery (rectum, colon) Proctor
Doctor
Yosuke Morimoto (2015 graduate of Keio University)
Specialized field
General / Gastroenterological Surgery
Areas of specialization
Upper gastrointestinal Surgery (esophagus / stomach)
Board specialist / certified doctor
- Japan Surgical Society Specialist
- Gastroenterological Surgery Specialist, Japanese Society of Gastroenterological Surgery
- Certified by the Japan Cancer Therapy Organization
- Japanese Society of Gastroenterological Surgery Certified Doctor for Gastroenterological Cancer Surgery
- Japan Esophageal Society certified physician
- Da Vinci Surgical System Operator Certification
- medical doctor
- Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Major doctor
Ryuta Yahagi (Ehime University, 2017 graduate)
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
JATEC Provider
Completed the PFCCS seminar at the Japan Intensive Care Education Research Society
Major doctor
Kenta Watanabe Yamanashi University, 2019 Graduate
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Major doctor
Mizue Komori (Kurume University, 2019 graduate)
Specialized field
Gastroenterological Surgery
Major doctor
Ayane Nakamura, Graduated from Miyazaki University in 2019
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Major doctor
Daisuke Kitano (Fujita Health University, Class of 2021)
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
Completion of palliative care workshop based on guidelines held by the Ministry of Health, Labor and Welfare
Major doctor
Yuta Jin (Kitasato University, Class of 2020)
Specialized field
Gastroenterological Surgery
Major doctor
Hiroki Nishida, Nara Medical University, Class of 2021
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
Completed a palliative care training seminar in accordance with the Ministry of Health, Labor and Welfare guidelines
Major doctor
Yuta Koganei (Hiroshima University, 2020 graduate)
Specialized field
Gastroenterological Surgery
Major doctor
Yumito Suzuki
Specialized field
Gastroenterological Surgery
Board specialist / certified doctor
in preparation
Pancreatic cancer project
As a cancer treatment base hospital, our hospital would like to contribute to local medical care by focusing on further improving cancer treatment. As part of this, we have decided to launch the "Pancreatic Cancer Early Diagnosis Project." Pancreatic cancer is increasing year by year in Japan, and in 2016 it was the fourth most common cause of cancer deaths in Japan after gastric cancer. Furthermore, the prognosis of pancreatic cancer is extremely poor, and the 5-year relative survival rate for pancreatic cancer diagnosed between 2006 and 2009 has been reported to be 7.9%.
One of the main reasons for the poor prognosis is that by the time symptoms appear, the disease has already progressed, making surgery, the only treatment that can hope for a cure, impossible. Therefore, it is extremely important to aim for early detection and early treatment at a stage when surgery is possible.
Risk factors for pancreatic cancer include a family history of pancreatic cancer, chronic pancreatitis, the appearance of symptoms (back pain, weight loss, jaundice), new onset of diabetes, sudden worsening of diabetes, high levels of tumor marker CA19-9, high levels of serum AMY, obesity, smoking, etc. It is necessary to share these risk factors with doctors involved in regional medical cooperation and establish a system to efficiently identify, discover, and treat patients with risk factors.
当院ではそのために「膵癌早期診断プロジェクト」を立ち上げ、よりスムーズに検査を受け治療ができる取り組みを整えております。
貴院にて膵癌早期診断プロジェクトに該当する患者さんがいらっしゃいましたら、当院地域連携室（直通045-576-3546）に御連絡いただければ、受診日当日に採血・MRCP・結果説明が１日でできるように予約を取らせていただきます。
We will also continue to provide treatment for inoperable pancreatic cancer, including chemotherapy and palliative care.
We would like to work together with local doctors to improve pancreatic cancer treatment outcomes in Yokohama City.
If you have any patients who need testing, please refer them to us.
We sincerely appreciate your guidance and encouragement.
Director of the Gastroenterological and General Surgery Center Tomohisa Egawa
Shigeru Nakano, Chief of Gastroenterology and Hepatology
Ryo Nishiyama, Chief of the Department of Gastroenterological Surgery
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