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

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

Positron Emission Tomography, Surgical Oncology, Pancreatic Cancer Resection +11

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

Laparoscopy, Hepatology, Clinical Case Series +4

Seeding of a Tumor in the Gastric Wall after Endoscopic Ultrasound-guided Fine-needle Aspiration of Solid Pseudopapillary Neoplasm of the Pancreas

Haruomi Yamaguchi, Hiroyuki Morisaka, Katsuhiro Sano et al. · Internal Medicine · 2019 · 26 citations · Full text

Gastroenterology, Pathology, Surgery +16

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 · 26 citations · Full text

Surgical Oncology, Hepatology, Laparoscopic Liver Resection +12