title: [Etiology of round shadows in the lungs].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications; D008297:Male; D008875:Middle Aged; D003074:Solitary Pulmonary Nodule / Q000209:etiology*; D014397:Tuberculosis, Pulmonary / Q000150:complications
vernacular_title: Etiologia cieni okragłych w płucach.