Source:http://linkedlifedata.com/resource/umls/id/C1708781
NCI: A rare, aggressive, poorly differentiated, non-small cell lung carcinoma characterized by the presence of a sarcomatoid component often associated with giant cell differentiation. There is a male to female ratio of 4:1. Clinical symptoms include cough, hemoptysis, chest pain, progressive dyspnea and fever secondary to recurrent pneumonia. Cigarette smoking is a major risk factor.