Neuroendocrine tumor and squamous cell carcinoma arising in a tailgut cyst with features of anal canal: Report of a case and review of the literature af Momoko Takizawa, Masamichi Koyama, Mai Iwaya, Takeshi Uehara, Hiroyoshi Ota

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Rising Trends of Endoscopic Barrett’s Esophagus and Gastric Fundic Gland Polyps in Young Japanese Adults af Atushi Morita, Akira Horiuchi, Hiroyoshi Ota, Ichitaro Horiuchi, Hidetosi Takada

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Gastric adenocarcinoma arising from hamartomatous inverted polyp during 8‐year follow‐up af Takuma Okamura, Yugo Iwaya, Tadanobu Nagaya, Futoshi Muranaka, Hiroyoshi Ota, Takeji Umemura

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Alpha-Fetoprotein-Producing Early Gastric Cancer with Intramucosal Hepatoid and Fetal Enteric Differentiation af Mai Iwaya, Robert Riddell, Koji Asano, Kazuo Kobayashi, Takeshi Uehara, Hiroyoshi Ota

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Most colitis associated carcinomas lack expression of LGR5: a preliminary study with implications for unique pathways of carcinogenesis compared to sporadic colorectal carcinoma af Mai Iwaya, Hiroyoshi Ota, Tomoyuki Nakajima, Takeshi Uehara, Robert Riddell, James Conner

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Characterization of LGR5 expression in poorly differentiated colorectal carcinoma with mismatch repair protein deficiency af Tomoyuki Nakajima, Takeshi Uehara, Mai Iwaya, Yukihiro Kobayashi, Yasuhiro Maruyama, Hiroyoshi Ota

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LGR5 expression is associated with prognosis in poorly differentiated gastric adenocarcinoma af Takehito Ehara, Takeshi Uehara, Tomoyuki Nakajima, Yasuhiro Kinugawa, Shota Kobayashi, Mai Iwaya, Hiroyoshi Ota, Yuji Soejima

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Exploring LGR5 as a prognostic marker of extrahepatic cholangiocarcinoma: insights from expression analysis and clinical correlations af Hisashi Tamada, Takeshi Uehara, Takahiro Yoshizawa, Mai Iwaya, Shiho Asaka, Tomoyuki Nakajima, Masato Kamakura, Hiroyoshi Ota

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IL-6 expression helps distinguish Castleman’s disease from IgG4-related disease in the lung af Yasuhiro Kinugawa, Takeshi Uehara, Mai Iwaya, Shiho Asaka, Shota Kobayashi, Tomoyuki Nakajima, Masamichi Komatsu, Masanori Yasuo, Hiroshi Yamamoto, Hiroyoshi Ota

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ARL4C is associated with epithelial-to-mesenchymal transition in colorectal cancer af Ryo Kanai, Takeshi Uehara, Takahiro Yoshizawa, Masato Kamakura, Tomoyuki Nakajima, Yasuhiro Kinugawa, Mai Iwaya, Shiho Asaka, Masato Kitazawa, Tadanobu Nagaya, Hiroyoshi Ota

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Triple-drug combination therapy versus six-month proton pump inhibitor monotherapy in non-Helicobacter pylori Helicobacter eradication, and hyperacid environment preference of Heli... af Toshihisa Tsukadaira, Seiichi Hayashi, Hiroyoshi Ota, Natsuko Kobayashi, Hiroyuki Agawa, Himiko Kodaira, Yasuhiro Sekiguchi, Takehisa Matsumoto, Kazuki Horiuchi, Tatsuya Negishi, Toshifumi Tada

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LGR5 expression and clinicopathological features of the invasive front in the fat infiltration area of pancreatic cancer af Masato Kamakura, Takeshi Uehara, Mai Iwaya, Shiho Asaka, Shota Kobayashi, Tomoyuki Nakajima, Yasuhiro Kinugawa, Tadanobu Nagaya, Takahiro Yoshizawa, Akira Shimizu, Hiroyoshi Ota, Takeji Umemura

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Development of serological assays to identify Helicobacter suis and H. pylori infections af Hidenori Matsui, Emiko Rimbara, Masato Suzuki, Kengo Tokunaga, Hidekazu Suzuki, Masaya Sano, Takashi Ueda, Hitoshi Tsugawa, Sohachi Nanjo, Akira Takeda, Makoto Sasaki, Shuichi Terao, Tsuyoshi Suda, Sae Aoki, Keigo Shibayama, Hiroyoshi Ota, Katsuhiro Mabe

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