Unilateral hyperlucency on chest radiograph.
D000368:Aged; D001415:Back; D003937:Diagnosis, Differential; D006801:Humans; D008067:Lipoma / Q000000981:diagnostic imaging*; D008297:Male; D013902:Radiography, Thoracic; D012878:Skin Neoplasms / Q000000981:diagnostic imaging*; D013896:Thoracic Diseases / Q000175:diagnosis