title: Acute epigastric pain and 'silent' lung infiltrate.
mesh_terms: D000005:Abdomen; D000368:Aged; D005260:Female; D006801:Humans; D010146:Pain / Q000209:etiology*; D010439:Peptic Ulcer Perforation / Q000150:complications*; D011026:Pneumopericardium / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D013276:Stomach Ulcer / Q000150:complications*; D013492:Suppuration