title: Evaluation of pre-operative chest x-ray.
mesh_terms: D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D003955:Diagnostic Tests, Routine; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012307:Risk Factors