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Machine Learning Model for Predicting the Lymph Node Metastasis of Early Gastric Cancer Minoru Kato 1,2 , Yoshito Hayashi 2 , Ryotaro Uema 2 , Takashi Kanesaka 1 , Shinjiro Yamaguchi 3 , Akira Maekawa 4 , Takuya Yamada 5 , Masashi Yamamoto 6 , Shinji Kitamura 7 , Takuya Inoue 8 , Shunsuke Yamamoto 9 , Takashi Kizu 10 , Risato Takeda 11 , Hideharu Ogiyama 12 , Katsumi Yamamoto 13 , Kenji Aoi 14 , Koji Nagaike 15 , Yasutaka Sasai 16 , Satoshi Egawa 17 , Haruki Akamatsu 18 , Hiroyuki Ogawa 19 , Masato Komori 20 , Akihiro Nishihara 21 , Tetsuo Takehara 2 1Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan 2Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan 3Department of Gastroenterology, Kansai Rosai Hospital, Amagasaki, Japan 4Department of Internal Medicine, Osaka Police Hospital, Osaka, Japan 5Department of Gastroenterology, Osaka Rosai Hospital, Sakai, Japan 6Department of Gastroenterology, Toyonaka Municipal Hospital, Toyonaka, Japan 7Department of Gastroenterology, Sakai City Medical Center, Sakai, Japan 8Department of Gastroenterology, Osaka General Medical Center, Osaka, Japan 9Department of Gastroenterology, National Hospital Organization Osaka National Hospital, Osaka, Japan 10Department of Gastroenterology, Yao Municipal Hospital, Yao, Japan 11Department of Gastroenterology, Itami City Hospital, Itami, Japan 12Department of Gastroenterology, Ikeda Municipal Hospital, Ikeda, Japan 13Department of Gastroenterology, Japan Community Healthcare Organization Osaka Hospital, Osaka, Japan 14Department of Gastroenterology, Kaizuka City Hospital, Kaizuka, Japan 15Department of Gastroenterology, Suita Municipal Hospital, Suita, Japan 16Department of Gastroenterology, Otemae Hospital, Osaka, Japan 17Department of Gastroenterology, Kinki Central Hospital, Itami, Japan 18Department of Gastroenterology, Higashiosaka City Medical Center, Higashiosaka, Japan 19Department of Gastroenterology, Nishinomiya Municipal Central Hospital, Nishinomiya, Japan 20Department of Gastroenterology, Hyogo Prefectural Nishinomiya Hospital, Nishinomiya, Japan 21Department of Gastroenterology, Minoh City Hospital, Minoh, Japan Keyword: 早期胃癌 , 内視鏡的粘膜下層剝離術 , リンパ節転移 , 機械学習 , ニューラルネットワーク pp.1045-1049
Published Date 2025/8/25
DOI https://doi.org/10.11477/mf.053621800600081045
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 We developed a machine learning(ML)model to predict the risk of lymph node metastasis(LNM)in patients with early gastric cancer(EGC)not meeting the current Japanese endoscopic curability criteria. We used the data of 4,042 EGC patients who were histologically confirmed not to meet the abovementioned criteria. Altogether, 3,506 patients were assigned to the training cohort for developing the neural network-based ML model, and 536 patients were included in the validation cohort. The performance of our ML model, as measured by the area under the receiver operating characteristic curve(AUC), was compared with that of the eCura system in the validation cohort. The ML model and eCura system identified patients with LNM with AUC values of 0.83 and 0.77, respectively, in the validation cohort(p=0.006).


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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