A simple and novel marking method for correctly identifying the precutting direction to achieve safe and efficacious precut sphincterotomy (with video) by Kazumasa Nagai, Akio Katanuma, Kuniyuki Takahashi, Kei Yane, Toshifumi Kin, Hiroyuki Maguchi

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Endoscopic clipping to prevent papillary obstruction when closing a duodenal perforation with an over-the-scope clip by Kazuya Kanaya, MD, Haruka Toyonaga, MD, Tsuyoshi Hayashi, MD, Kuniyuki Takahashi, MD, Akio Katanuma, MD

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Role of Endoscopic Ultrasound in the Diagnosis of Pancreatic Neuroendocrine Neoplasms by Tatsuya Ishii, Akio Katanuma, Haruka Toyonaga, Koki Chikugo, Hiroshi Nasuno, Toshifumi Kin, Tsuyoshi Hayashi, Kuniyuki Takahashi

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Successful removal of a surgical clip eroded into the hepaticojejunostomy site by use of a short-type single-balloon enteroscope by Hideaki Koga, MD, Akio Katanuma, MD, Toshifumi Kin, MD, Kei Yane, MD, Hiroyuki Maguchi, MD, PhD

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Gut microbiota and metabolites in patients with COVID-19 are altered by the type of SARS-CoV-2 variant by Yoshihiro Yokoyama, Tomoko Ichiki, Tsukasa Yamakawa, Yoshihisa Tsuji, Koji Kuronuma, Satoshi Takahashi, Eichi Narimatsu, Akio Katanuma, Hiroshi Nakase

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Prospective, randomized, comparative study of delineation capability of radial scanning and curved linear array endoscopic ultrasound for the... by Maki Kaneko, Akio Katanuma, Hiroyuki Maguchi, Kuniyuki Takahashi, Manabu Osanai, Kei Yane, Syunpei Hashigo, Ryo Harada, Shin Kato, Ryusuke Kato, Masanori Nojima

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Efficacy of gel immersion endoscopic ultrasonography for delineating the duodenal papilla and pancreatobiliary ducts: A retrospective study with video by Haruka Toyonaga, Toshifumi Kin, Kosuke Iwano, Risa Nakamura, Takao Shimizu, Koki Chikugo, Tatsuya Ishii, Hiroshi Nasuno, Tsuyoshi Hayashi, Kuniyuki Takahashi, Hajime Yamazaki, Akio Katanuma

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A Prospective Multicenter Study of “Inside Stents” for Biliary Stricture: Multicenter Evolving Inside Stent Registry (MEISteR) by Hirofumi Kogure, Hironari Kato, Kazumichi Kawakubo, Hirotoshi Ishiwatari, Akio Katanuma, Yoshinobu Okabe, Toru Ueki, Tesshin Ban, Keiji Hanada, Kazuya Sugimori, Yousuke Nakai, Hiroyuki Isayama

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Performance of novel tissue harmonic echo imaging using endoscopic ultrasound for pancreatic diseases by Kazuyuki Matsumoto, Akio Katanuma, Hiroyuki Maguchi, Kuniyuki Takahashi, Manabu Osanai, Kei Yane, Toshifumi Kin, Ryo Takaki, Tomoaki Matsumori, Katsushige Gon, Akiko Tomonari, Masanori Nojima

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Comparison of dissection speed during colorectal ESD between the novel Multiloop (M-loop) traction method and ESD methods without traction by Yuichiro Suzuki, Tokuma Tanuma, Masanori Nojima, Gota Sudo, Yuki Murakami, Tatsuya Ishii, Masakazu Akahonai, Yosuke Kobayashi, Hidetaka Hamamoto, Hironori Aoki, Taku Harada, Akio Katanuma, Hiroshi Nakase

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Downregulation of SMOC1 is associated with progression of colorectal traditional serrated adenomas by Hironori Aoki, Akira Takasawa, Eiichiro Yamamoto, Takeshi Niinuma, Hiro-o Yamano, Taku Harada, Toshiyuki Kubo, Akira Yorozu, Hiroshi Kitajima, Kazuya Ishiguro, Masahiro Kai, Akio Katanuma, Toshiya Shinohara, Hiroshi Nakase, Tamotsu Sugai, Makoto Osanai, Hiromu Suzuki

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A double-blind randomized comparative clinical trial to evaluate the safety and efficacy of dendritic cell vaccine loaded with WT1 peptides (TLP0-001) in combination with S-1 in pa... by Masahiro Katsuda, Motoki Miyazawa, Toshiyasu Ojima, Akio Katanuma, Kenichi Hakamada, Kentaro Sudo, Shingo Asahara, Itaru Endo, Makoto Ueno, Kazuo Hara, Suguru Yamada, Tsutomu Fujii, Sohei Satoi, Tatsuya Ioka, Masaichi Ohira, Takahiro Akahori, Masayuki Kitano, Hiroaki Nagano, Masayuki Furukawa, Tomohiko Adachi, Hiroki Yamaue

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A randomized, double‐blind, phase II study of oral histone deacetylase inhibitor resminostat plus S‐1 versus placebo plus S‐1 in biliary tract cancers previously treated with gemci... by Makoto Ueno, Chigusa Morizane, Masayuki Furukawa, Daisuke Sakai, Yoshito Komatsu, Yousuke Nakai, Masahiro Tsuda, Masato Ozaka, Nobumasa Mizuno, Manabu Muto, Akira Fukutomi, Masafumi Ikeda, Akihito Tsuji, Akio Katanuma, Toshikazu Moriwaki, Takeshi Kajiwara, Hiroshi Ishii, Yuji Negoro, Satoshi Shimizu, Noriko Nemoto, Shingo Kobayashi, Keigo Makino, Junji Furuse

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Comparison of gemcitabine-based chemotherapies for advanced biliary tract cancers by renal function: an exploratory analysis of JCOG1113 by Makoto Ueno, Chigusa Morizane, Takuji Okusaka, Junki Mizusawa, Tomoko Kataoka, Masafumi Ikeda, Masato Ozaka, Naohiro Okano, Kazuya Sugimori, Akiko Todaka, Satoshi Shimizu, Nobumasa Mizuno, Tomohisa Yamamoto, Keiji Sano, Kazutoshi Tobimatsu, Akio Katanuma, Atsushi Miyamoto, Hironori Yamaguchi, Tomohiro Nishina, Hirofumi Shirakawa, Yasushi Kojima, Takamasa Oono, Yasuyuki Kawamoto, Masayuki Furukawa, Tomohisa Iwai, Kentaro Sudo, Hiroyuki Miyakawa, Tatsuya Yamashita, Ichirou Yasuda, Hidenori Takahashi, Naoya Kato, Kazuhiko Shioji, Kyoko Shimizu, Toshio Nakagohri, Ken Kamata, Hiroshi Ishii, Junji Furuse, the members of the Hepatobiliary and Pancreatic Oncology Group of the Japan Clinical Oncology Group (JCOG-HBPOG).

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