Kojun Okamoto

Impact of the coronavirus disease 2019 pandemic on first-visit patients with oesophageal cancer in the first infection wave in Saitama prefecture near Tokyo: a single-centre retrospective study

Yutaka Miyawaki, Hiroshi Sato, Seigi Lee et al. · Japanese Journal of Clinical Oncology · 2022 · 105 citations · Full text

Medicine, Infectious Diseases, Oncology +9

Preoperative 18[F]-fluorodeoxyglucose positron emission tomography/computed tomography predicts early recurrence after pancreatic cancer resection

Kojun Okamoto, Isamu Koyama, Mitsuo Miyazawa et al. · International Journal of Clinical Oncology · 2010 · 58 citations

Medicine, Oncology, Surgery +15

Single-port laparoscopic hepatectomy: technique, safety, and feasibility in a clinical case series

Masayasu Aikawa, Mitsuo Miyazawa, Kojun Okamoto et al. · Surgical Endoscopy · 2011 · 50 citations

Medicine, Surgery, General Surgery +9

Influence of Child–Pugh B7 and B8/9 cirrhosis on laparoscopic liver resection for hepatocellular carcinoma: a retrospective cohort study

Yukihiro Watanabe, Masayasu Aikawa, Tomotaka Kato et al. · Surgical Endoscopy · 2022 · 31 citations · Full text

Medicine, Oncology, Surgery +17

Short‐term results of robot‐assisted colorectal cancer surgery using Senhance Digital Laparoscopy System

Megumi Sasaki, Yasumitsu Hirano, Hiroki Yonezawa et al. · Asian Journal of Endoscopic Surgery · 2022 · 28 citations · Full text

Medicine, Oncology, Surgery +17