Preceding endoscopic submucosal dissection for T1 colorectal carcinoma does not affect the prognosis of patients who underwent additional surgery: a large multicenter propensity score-matched analysis

Ken Yamashita, Shiro Oka, Shinji Tanaka, +13

Journal of Gastroenterology

Surgical OncologyColorectal SurgeryMedicineGastroenterologyColorectal Cancer +8

Long-Term Outcomes after Endoscopic Submucosal Dissection for Ulcerative Colitis-Associated Dysplasia

Kenta Matsumoto, Shiro Oka, Shinji Tanaka, +8

Digestion

Arterial chemotherapy and transcatheter arterial embolization therapy for non-resectable hepatocellular carcinoma

Kenji Hirai, Y Kawazoe, Ken Yamashita, +6

Cancer Chemotherapy and Pharmacology

Arterial ChemotherapySurgical OncologyHepatologyMedicineVascular Surgery +8

Use of anticoagulants increases risk of bleeding after colorectal endoscopic submucosal dissection

Ken Yamashita, Shiro Oka, Shinji Tanaka, +10

Endoscopy International Open

Dual Red Imaging Maintains Clear Visibility During Colorectal Endoscopic Submucosal Dissection

Hidenori Tanaka, Shiro Oka, Shinji Tanaka, +9

Digestive Diseases and Sciences

Medical ImagingMedicineGastroenterologyGi TechniqueSurgery +5

Clinical usefulness of the S-O clip during colorectal endoscopic submucosal dissection in difficult-to-access submucosal layer

Yuki Okamoto, Shiro Oka, Shinji Tanaka, +8

Endoscopy International Open

Clinical significance of immunohistochemical lymphovascular evaluation to determine additional surgery after endoscopic submucosal dissection for colorectal T1 carcinoma

T Nishimura, Shiro Oka, Shinji Tanaka, +12

International Journal of Colorectal Disease

Surgical OncologyColorectal SurgeryMedicineSurgical PathologyGastroenterology +8

Long-term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged over 80 years

T Nishimura, Shiro Oka, Shinji Tanaka, +12

BMC Gastroenterology

Clinical outcomes of endoscopic resection for rectal neuroendocrine tumors: Advantages of endoscopic submucosal resection with a ligation device compared to conventional EMR and ESD

Yuki Kamigaichi, Ken Yamashita, Shiro Oka, +10

DEN Open

Vertical tumor margin of endoscopic resection for T1 colorectal carcinoma affects the prognosis of patients undergoing additional surgery

T Nishimura, Shiro Oka, Yuki Kamigaichi, +11

Surgical Endoscopy

Surgical OncologyGastrointestinal OncologyColorectal SurgeryMedicineGastroenterology +8