title: Symmetric masses in an 83-year-old man.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000473:pathology*; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D008223:Lymphoma / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D011859:Radiography