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We describe a case of repair of the antegrade anastomosis between the "ileal segment" and amputated ureter for recurrent rectal cancer, in which some postoperative complications occurred but eventually resolved. If the length of the ureter is inadequate for end-to-end anastomosis, an ileal segment can be used as a conduit. This surgical technique is not difficult because an ileal conduit is typically created during total pelvic exenteration of rectal cancers. Therefore, anastomosing the ureter to an "ileal segment" is easy and feasible. Hence, we consider that knowledge of this technique would be beneficial for surgical oncologists who perform colorectal surgeries., (© 2021. Japanese Society of Gastroenterology.)

A 43-year-old man with alcoholic cirrhosis and chronic alcoholic pancreatitis was referred for evaluation of chest pain and an enlarging pleural effusion. Computed tomography revealed a bilateral pleural effusion and longitudinal multilocular pancreatic pseudocysts extending to the posterior mediastinum along the esophagus. He was diagnosed with a mediastinal pancreatic pseudocyst rupturing into the pleural cavity and was initially treated with endoscopic ultrasound-guided trans-gastric drainage. After 4 months of stable disease, dysphagia and a severe cough developed due to an esophageal stricture and main bronchial fistula. Considering the inadequate drainage, the trans-gastric drainage stent was surgically exchanged for a percutaneous external drain and the bronchial fistula was repaired using an intercostal muscle flap. After improvement of the mediastinal abscess and the symptoms, he was discharged on post-operative day 72. Two years post-operatively, he is in good health with no recurrence. We herein report a rare case of a bronchial fistula and esophageal stricture after endoscopic trans-gastric drainage of a mediastinal pancreatic pseudocyst. Endoscopic trans-gastric drainage is an effective treatment for mediastinal pancreatic pseudocysts, but it is important to provide appropriate alternative treatment depending on the course of treatment.

We describe a case of gastric lymphangioma coexisting with mucosal gastric cancer. A 76-year-old man was diagnosed with an advanced gastric cancer (cT2N0M0, Stage I) presenting a nodular protruded lesion with irregular central depression. The surgically resected specimen showed a 4 × 3 cm sessile protruded lesion in the anterior wall of the lower stomach. Histopathological examination revealed a mucosal adenocarcinoma was located immediately above the lymphangioma and was elevated by the cystic component of lymphangioma without admixture, which suggested that the two components arose separately. The mucosal adenocarcinoma was masquerading as an advanced gastric cancer due to the protrusion by the lymphangioma.