Efficacy of peroral endoscopic myotomy for improving sleep problems in patients with achalasia by Toshihiro Ohmiya, Hironari Shiwaku, Hiroki Okada, Akio Shiwaku, Suguru Hasegawa

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Reconstruction with omental flap and negative pressure wound therapy after total pelvic exenteration of anal fistula cancer: a case report by Akira Komono, Gumpei Yoshimatsu, Ryuji Kajitani, Yoshiko Matsumoto, Naoya Aisu, Suguru Hasegawa

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A case of endoscopic full‐thickness resection for gastric gastrointestinal stromal tumor in the submucosal tunnel by Hironari Shiwaku, Hiroki Okada, Akio Shiwaku, Hiroshi Kusaba, Kenji Maki, Hideki Shimaoka, Yasuhiro Hashimoto, Teppei Yamada, Fumihiro Yoshimura, Suguru Hasegawa

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Site‐Specific Mutations on KRAS, NRAS, and BRAF Corelate With the Frequency of ctDNA in Colorectal Cancer by Fumihiro Yoshimura, Yoichiro Yoshida, Teppei Yamada, Keita Tanaka, Takaomi Hayashi, Hideki Shimaoka, Ryohei Sakamoto, Naoya Aisu, Gumpei Yoshimatsu, Suguru Hasegawa

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Endoscopic ligation technique for refractory gastrotracheal fistula by Hironari Shiwaku, Akio Shiwaku, Hiroki Okada, Hiroshi Kusaba, Kenji Maki, Hideki Shimaoka, Kosuke Yamauchi, Yasuhiro Hashimoto, Teppei Yamada, Fumihiro Yoshimura, Suguru Hasegawa

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Preventable diagnostic errors of lower gastrointestinal perforation: a secondary analysis of a large-scale multicenter retrospective study by Taku Harada, Takashi Watari, Satoshi Watanuki, Seiko Kushiro, Taiju Miyagami, Syunsuke Syusa, Satoshi Suzuki, Tetsuya Hiyoshi, Suguru Hasegawa, Shigeki Nabeshima, Hidetoshi Aihara, Shun Yamashita, Masaki Tago, Fumitaka Yoshimura, Kotaro Kunitomo, Takahiro Tsuji, Masanori Hirose, Tomoya Tsuchida, Taro Shimizu

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Local Recurrence of Rectal Cancer After Transanal Total Mesorectal Excision and Risk Factors: A Nationwide Multicenter Cohort Study in Japan by Takeru Matsuda, MD, PhD, Ichiro Takemasa, MD, PhD, Hideki Endo, MD, MPH, Shinichiro Mori, MD, PhD, Suguru Hasegawa, MD, PhD, Koya Hida, MD, PhD, Takuya Tokunaga, MD, PhD, Keitaro Tanaka, MD, PhD, Toshiki Mukai, MD, PhD, Jun Watanabe, MD, PhD, Junichiro Kawamura, MD, PhD, Kei Kimura, MD, PhD, Yoshihiro Kakeji, MD, PhD, Masahiko Watanabe, MD, PhD, Seiichiro Yamamoto, MD, PhD, Takeshi Naitoh, MD, PhD, Ta-Ta-Mi study group collaboratives in Japan Society of Laparoscopic Colorectal Surgery

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