title: Observer variability in the histopathologic diagnosis of lung cancer.
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000473:pathology; D002277:Carcinoma / Q000175:diagnosis / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D006652:Histological Techniques; D006801:Humans; D008175:Lung Neoplasms / Q000145:classification / Q000175:diagnosis* / Q000473:pathology*