title: Tortuous azygos arch simulating a pulmonary lesion.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D001401:Azygos Vein / Q000000981:diagnostic imaging*; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography