Establishment of a machine learning model for predicting splenic hilar lymph node metastasis

Authors: Kenichi Ishizu, Satoshi Takahashi, Nobuji Kouno, Ken Takasawa, Katsuji Takeda, Kota Matsui, Masashi Nishino, Tsutomu Hayashi, Yukinori Yamagata, Shigeyuki Matsui, Takaki Yoshikawa, Ryuji Hamamoto

Source: npj Digital Medicine, Vol 8, Iss 1, Pp 1-12 (2025)

Subject Terms: Computer applications to medicine. Medical informatics, R858-859.7

File Description: electronic resource

Relation: https://doaj.org/toc/2398-6352

Access URL: https://doaj.org/article/ec5daa3a36f5438bba5eca3bb8ad8e76

Key nodal stations for predicting splenic hilar nodal metastasis in upper advanced gastric cancer without invasion of the greater curvature

Authors: Masashi Nishino, Takaki Yoshikawa, Masahiro Yura, Rei Ogawa, Ryota Sakon, Kenichi Ishizu, Takeyuki Wada, Tsutomu Hayashi, Yukinori Yamagata

Source: Annals of Gastroenterological Surgery, Vol 8, Iss 3, Pp 413-419 (2024)

Subject Terms: rapid pathological examination, splenic hilar nodal dissection, total gastrectomy with splenectomy, upper advanced gastric cancer without invasion of the greater curvature, Surgery, RD1-811, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2475-0328

Access URL: https://doaj.org/article/6c072c9706fe4726bc01431f4fb45d90

A discrimination model by machine learning to avoid gastrectomy for early gastric cancer

Authors: Tsutomu Hayashi, Ken Takasawa, Takaki Yoshikawa, Taiki Hashimoto, Shigeki Sekine, Takeyuki Wada, Yukinori Yamagata, Haruhisa Suzuki, Seiichirou Abe, Shigetaka Yoshinaga, Yutaka Saito, Nobuji Kouno, Ryuji Hamamoto

Source: Annals of Gastroenterological Surgery, Vol 7, Iss 6, Pp 913-921 (2023)

Subject Terms: discrimination model, early gastric cancer, lymph node metastasis, machine learning, surgical indication, Surgery, RD1-811, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2475-0328

Access URL: https://doaj.org/article/a8f0717fa6984d06993db12cd6e180b0

Acceleration of sarcopenia in elderly patients who develop asymptomatic pneumonia shadow within one year after surgery for early gastric cancer

Authors: Ayako Kamiya, Tsutomu Hayashi, Ryota Sakon, Kenichi Ishizu, Takeyuki Wada, Sho Otsuki, Yukinori Yamagata, Hitoshi Katai, Takaki Yoshikawa

Source: BMC Surgery, Vol 23, Iss 1, Pp 1-8 (2023)

Subject Terms: Elderly, Gastrectomy, Pneumonia, Sarcopenia, Skeletal muscle, Surgery, RD1-811

File Description: electronic resource

Relation: https://doaj.org/toc/1471-2482

Access URL: https://doaj.org/article/747558f502c34da1ba305f41f4dabfcf

Long-term postoperative pneumonia in elderly patients with early gastric cancer

Authors: Ayako Kamiya, Tsutomu Hayashi, Ryota Sakon, Kenichi Ishizu, Takeyuki Wada, Sho Otsuki, Yukinori Yamagata, Hitoshi Katai, Takaki Yoshikawa

Source: BMC Surgery, Vol 22, Iss 1, Pp 1-8 (2022)

Subject Terms: Pneumonia, Gastrectomy, Elderly patients, Sarcopenia, Surgery, RD1-811

File Description: electronic resource

Relation: https://doaj.org/toc/1471-2482

Access URL: https://doaj.org/article/22c829be895b4ff69d3909829e38706a

The prognostic impact of macroscopic serosal change on resectable advanced gastric cancer

Authors: Masahiro Yura, Takaki Yoshikawa, Takeyuki Wada, Sho Otsuki, Tsutomu Hayashi, Yukinori Yamagata, Hitoshi Katai, Toshirou Nishida

Source: BMC Cancer, Vol 21, Iss 1, Pp 1-9 (2021)

Subject Terms: Macroscopic serosal change, Gastric cancer, Prognostic factor, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1471-2407

Access URL: https://doaj.org/article/58ed8d58004e4361a7d74a829347f35a

Recurrence after ESD curative resection for early gastric cancer

Authors: Ayako Kamiya, Hitoshi Katai, Kenichi Ishizu, Takeyuki Wada, Tsutomu Hayashi, Sho Otsuki, Yukinori Yamagata, Takaki Yoshikawa, Shigeki Sekine, Tomohiko Nishi, Yuka Kawasaki, Takafumi Ito, Hideharu Domoto

Source: Surgical Case Reports, Vol 7, Iss 1, Pp 1-4 (2021)

Subject Terms: Gastric cancer, Endoscopic submucosal dissection, Neoplasm metastasis, Recurrence, Gastrectomy, Surgery, RD1-811

File Description: electronic resource

Relation: https://doaj.org/toc/2198-7793

Access URL: https://doaj.org/article/1819a9108fc34a8bb8ddccf0becce7aa

Laparoscopic resection of a primary diaphragmatic schwannoma: a case report and literature review

Authors: Ayako Kamiya, Yukinori Yamagata, Hiroshi Yoshida, Kenichi Ishizu, Takeyuki Wada, Tsutomu Hayashi, Sho Otsuki, Takaki Yoshikawa, Hitoshi Katai

Source: BMC Surgery, Vol 20, Iss 1, Pp 1-8 (2020)

Subject Terms: Schwannoma, Diaphragm, Laparoscopic resection, Surgery, RD1-811

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s12893-020-00963-w; https://doaj.org/toc/1471-2482

Access URL: https://doaj.org/article/c703cf053b474ce8b63a6aaf140ea47f

Primary results of a randomized two‐by‐two factorial phase II trial comparing neoadjuvant chemotherapy with two and four courses of cisplatin/S‐1 and docetaxel/cisplatin/S‐1 as neoadjuvant chemotherapy for advanced gastric cancer

Authors: Tsutomu Hayashi, Takaki Yoshikawa, Kentaro Sakamaki, Kazuhiro Nishikawa, Kazumasa Fujitani, Kazuaki Tanabe, Kazunari Misawa, Takanori Matsui, Akira Miki, Hiroshi Nemoto, Tetsu Fukunaga, Yutaka Kimura, Jun Hihara

Source: Annals of Gastroenterological Surgery, Vol 4, Iss 5, Pp 540-548 (2020)

Subject Terms: cisplatin/S‐1, docetaxel/cisplatin/S‐1, gastric cancer, neoadjuvant therapy, Surgery, RD1-811, Diseases of the digestive system. Gastroenterology, RC799-869

File Description: electronic resource

Relation: https://doaj.org/toc/2475-0328

Access URL: https://doaj.org/article/f9e2aa86ef2344ac9777405e4e4ee24b

Extra-gastrointestinal stromal tumor arising in the lesser omentum with a platelet-derived growth factor receptor alpha (PDGFRA) mutation: a case report and literature review

Authors: Kohei Kanamori, Yukinori Yamagata, Yoshitaka Honma, Keiichi Date, Takeyuki Wada, Tsutomu Hayashi, Sho Otsuki, Shigeki Sekine, Takaki Yoshikawa, Hitoshi Katai, Toshiro Nishida

Source: World Journal of Surgical Oncology, Vol 18, Iss 1, Pp 1-7 (2020)

Subject Terms: Extra-gastrointestinal stromal tumor, Omentum, Platelet-derived growth factor receptor alpha, Surgery, RD1-811, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s12957-020-01961-1; https://doaj.org/toc/1477-7819

Access URL: https://doaj.org/article/2cfcec614b964f7584c1045ea3651ed1

Risk factors analysis and stratification for microscopically positive resection margin in gastric cancer patients

Authors: Yuta Kumazu, Tsutomu Hayashi, Takaki Yoshikawa, Takanobu Yamada, Kentaro Hara, Yota Shimoda, Masato Nakazono, Shinsuke Nagasawa, Manabu Shiozawa, Soichiro Morinaga, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Takashi Oshima

Source: BMC Surgery, Vol 20, Iss 1, Pp 1-7 (2020)

Subject Terms: Resection margins, Gastric cancer, Risk factors, Intraoperative frozen section, Gastrectomy, Surgery, RD1-811

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s12893-020-00744-5; https://doaj.org/toc/1471-2482

Access URL: https://doaj.org/article/1f93355520f4446dacf477ba24bd8bbd

Risk factors for severe weight loss at 1 month after gastrectomy for gastric cancer

Authors: Kenki Segami, Toru Aoyama, Kazuki Kano, Yukio Maezawa, Tetsushi Nakajima, Kosuke Ikeda, Tsutomu Sato, Hirohito Fujikawa, Tsutomu Hayashi, Takanobu Yamada, Takashi Oshima, Norio Yukawa, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa

Source: Asian Journal of Surgery, Vol 41, Iss 4, Pp 349-355 (2018)

Subject Terms: Surgery, RD1-811

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1015958416304997; https://doaj.org/toc/1015-9584

Access URL: https://doaj.org/article/9f695f5576ed473e9211bd85ac2f1108

Prediction of postoperative inflammatory complications after esophageal cancer surgery based on early changes in the C-reactive protein level in patients who received perioperative steroid therapy and enhanced recovery after surgery care: a retrospective analysis

Authors: Kazuki Kano, Toru Aoyama, Tetsushi Nakajima, Yukio Maezawa, Tsutomu Hayashi, Takanobu Yamada, Tsutomu Sato, Takashi Oshima, Yasushi Rino, Munetaka Masuda, Haruhiko Cho, Takaki Yoshikawa, Takashi Ogata

Source: BMC Cancer, Vol 17, Iss 1, Pp 1-8 (2017)

Subject Terms: Esophageal cancer, Complication, Steroid therapy, C-reactive protein, Enhanced recovery after surgery care, Predictor, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: http://link.springer.com/article/10.1186/s12885-017-3831-2; https://doaj.org/toc/1471-2407

Access URL: https://doaj.org/article/87d712992fe94900a0ad6ae44ea42650

Visualization of an Isolated Vortex Ring Generated from Step-Like Wind Variation and the Overshoot Phenomenon of Axial Velocity

Authors: Yutaka HARA, Naoya HIRATA, Tsutomu HAYASHI

Source: Journal of Fluid Science and Technology, Vol 6, Iss 4, Pp 685-699 (2011)

Subject Terms: vortex ring, overshoot, step wind, unsteady wind tunnel, free square jet, vorticity, ultrasonic anemometer, Science (General), Q1-390, Technology

File Description: electronic resource

Relation: https://www.jstage.jst.go.jp/article/jfst/6/4/6_4_685/_pdf/-char/en; https://doaj.org/toc/1880-5558

Access URL: https://doaj.org/article/e4aaaf477cd24e049b5895a45e2c3f89

Moment of Inertia Dependence of Vertical Axis Wind Turbines in Pulsating Winds

Authors: Yutaka Hara, Koichi Hara, Tsutomu Hayashi

Source: International Journal of Rotating Machinery, Vol 2012 (2012)

Subject Terms: Engineering (General). Civil engineering (General), TA1-2040

File Description: electronic resource

Relation: https://doaj.org/toc/1023-621X; https://doaj.org/toc/1542-3034

Access URL: https://doaj.org/article/5c36b0cb6557442fa484ebe41cfa67a1

A Phase II Study of S-1 Monotherapy as a First-line Combination Therapy of S-1 plus Cisplatin as a Second-line Therapy, and Weekly Paclitaxel Monotherapy as a Third-line Therapy in Patients with Advanced Gastric Carcinoma: A Second Report

Authors: Yasushi Rino, Norio Yukawa, Hitoshi Murakami, Nobuyuki Wada, Roppei Yamada, Tsutomu Hayashi, Tsutomu Sato, Takashi Ohshima, Munetaka Masuda, Toshio Imada

Source: Clinical Medicine Insights: Oncology, Vol 4 (2010)

Subject Terms: Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282

File Description: electronic resource

Relation: https://doaj.org/toc/1179-5549

Access URL: https://doaj.org/article/b741393fe32944e0b53343d559abba84

Characteristics of Metachronous Remnant Gastric Cancer After Proximal Gastrectomy: A Retrospective Analysis.

Authors: Kenichi Ishizu^1,2, Tsutomu Hayashi¹, Rei Ogawa¹, Masashi Nishino¹, Ryota Sakon¹, Takeyuki Wada¹, Sho Otsuki¹, Yukinori Yamagata¹, Hitoshi Katai^1,3, Yoshiyuki Matsui², Takaki Yoshikawa¹ tayoshik@ncc.go.jp

Source: Journal of Gastric Cancer. Jul2024, Vol. 24 Issue 3, p280-290. 11p.

Subject Terms: *ENDOSCOPIC surgery, *STOMACH cancer, *GASTRECTOMY, *MULTIVARIATE analysis, *ENDOSCOPY

Prognostic Impact of Long-term Postoperative Pneumonia in Elderly Patients with Early Gastric Cancer.

Authors: Ayako Kamiya¹, Tsutomu Hayashi¹, Ryota Sakon¹, Kenichi Ishizu¹, Takeyuki Wada¹, Sho Otsuki¹, Yukinori Yamagata¹, Hitoshi Katai¹, Takaki Yoshikawa¹ tayoshik@ncc.go.jp

Source: Journal of Cancer. 2022, Vol. 13 Issue 9, p2905-2911. 7p.

Subject Terms: *OLDER patients, *PNEUMONIA, *CANCER treatment, *GASTRECTOMY, *CANCER patients

Comparison of the Dietary Intake Loss Between Total and Distal Gastrectomy for Gastric Cancer.

Authors: MASATO NAKAZONO, TORU AOYAMA, TSUTOMU HAYASHI, KENTARO HARA, KENKI SEGAMI, YOTA SHIMODA, SHINSUKE NAGASAWA, YUTA KUMAZU, TAKANOBU YAMADA, HIROSHI TAMAGAWA, MANABU SHIOZAWA, SOICHIRO MORINAGA, YASUSHI RINO, MUNETAKA MASUDA, TAKASHI OGATA, TAKASHI OSHIMA

Source: In Vivo; Jul/Aug2021, Vol. 35 Issue 4, p2369-2377, 9p

Subject Terms: GASTRECTOMY, STOMACH cancer, INGESTION, POSTOPERATIVE period, BODY weight

Does a laparoscopic approach attenuate the body weight loss and lean body mass loss observed in open distal gastrectomy for gastric cancer? a single-institution exploratory analysis of the JCOG 0912 phase III trial.

Authors: Toru Aoyama, Tsutomu Sato, Tsutomu Hayashi, Takanobu Yamada, Haruhiko Cho, Takashi Ogata, Koji Oba, Takaki Yoshikawa

Source: Gastric Cancer; Mar2018, Vol. 21 Issue 2, p345-352, 8p

Subject Terms: LAPAROSCOPY, ENDOSCOPY, BODY mass index, GASTRECTOMY, GASTRIC diseases