title: [Problems in the classification of atypical small cell carcinoma of the lung].
mesh_terms: D000818:Animals; D001980:Bronchi / Q000473:pathology; D003528:Carcinoma, Adenoid Cystic / Q000473:pathology; D018288:Carcinoma, Small Cell / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D011817:Rabbits