title: Pyoderma gangrenosum after cholecystectomy.
mesh_terms: D000009:Abdominal Muscles; D002763:Cholecystectomy; D005734:Gangrene; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011711:Pyoderma / Q000209:etiology*