Endoscopic diagnosis of recurrent peptic ulcer due to retained antrum.
D004724:Endoscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis*; D011183:Postoperative Complications / Q000175:diagnosis*; D011706:Pyloric Antrum; D012008:Recurrence