title: Weight loss, fatigue, and mediastinal and hilar adenopathy in a 67-year-old man.
mesh_terms: D000368:Aged; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008223:Lymphoma / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis / Q000000981:diagnostic imaging*