title: The solitary pulmonary nodule.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011859:Radiography; D003074:Solitary Pulmonary Nodule / Q000000981:diagnostic imaging*; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*