title: Poorly differentiated and undifferentiated lung tumors.
authors.affiliation: Department of Pathology, University of Texas M.D. Anderson Cancer Center, Houston.
authors.forename: B
authors.initials: B
authors.lastname: Mackay
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D002277:Carcinoma / Q000473:pathology*; D006801:Humans; D008168:Lung / Q000473:pathology*; D008175:Lung Neoplasms / Q000473:pathology*