title: Multiplicity of lung tumour classifications.
mesh_terms: D000230:Adenocarcinoma / Q000145:classification; D002282:Adenocarcinoma, Bronchiolo-Alveolar / Q000145:classification; D002277:Carcinoma / Q000145:classification*; D002283:Carcinoma, Bronchogenic / Q000145:classification; D002294:Carcinoma, Squamous Cell / Q000145:classification; D005069:Evaluation Studies as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000145:classification*