title: Unilateral hyperlucent lung with polycythemia and cor pulmonale.
mesh_terms: D006801:Humans; D006935:Hypercapnia / Q000209:etiology; D006976:Hypertension, Pulmonary / Q000209:etiology; D000860:Hypoxia / Q000209:etiology; D008171:Lung Diseases / Q000150:complications* / Q000175:diagnosis / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011086:Polycythemia / Q000209:etiology*; D011660:Pulmonary Heart Disease / Q000209:etiology*; D011859:Radiography; D011877:Radionuclide Imaging; D012129:Respiratory Function Tests