title: Lung tumors: differentiation and classification.
mesh_terms: D000236:Adenoma / Q000145:classification* / Q000473:pathology; D002277:Carcinoma / Q000145:classification* / Q000473:pathology; D018219:Histiocytoma, Benign Fibrous / Q000145:classification* / Q000473:pathology; D006801:Humans; D008175:Lung Neoplasms / Q000145:classification* / Q000473:pathology; D012509:Sarcoma / Q000145:classification* / Q000473:pathology