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Background Biliary intraepithelial neoplasia (BilIN) is often distinguished by what it is not: the precancerous lesions are not mass-forming, are not the cause of bile duct obstruction, and are small enough (less than 5 mm long) to evade detection by the naked eye. Here, we describe an atypical case of BilIN resembling cholangiocarcinoma (CC) that was large enough to be identified by diagnostic imaging...
Background Patients with advanced esophageal cancer frequently experience dysphagia and dyspnea, and relief of such symptoms is important. We wished to clarify the efficacy of endoscopic stent placement in patients with dysphagia or dyspnea caused by advanced esophageal cancer. Methods A database of patients with esophageal cancer who underwent esophageal and airway stent insertion between 2005...
We report an unusual case of gastric carcinosarcoma with rhabdomyosarcomatous and neudoendocrinal differentiation in a 71-year-old Japanese female. Gastric carcinosarcoma with rhabdomyosarcomatous and neuroendocrinal differentiation is a rare tumor. The tumor developed in the body of the stomach and was exophytic in appearance. By histochemical analysis, the tumor was shown a part of positive for...
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