title: [A gastric niche with difficult interpretation].
mesh_terms: D004443:Echinococcosis / Q000000981:diagnostic imaging*; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications*; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*
keywords: ECHINOCOCCOSIS/radiography; PEPTIC ULCER/complications; STOMACH/radiography