Abstract
Background Sarcomatoid carcinomas of the lung are rare tumors, accounting only for 0.3-1.3% of all lung malignancies and are associated with poor prognosis. They have been classified according to the World Health Organization (WHO) grading system [2004] as pleomorphic carcinoma, spindle cell carcinoma, giant cell carcinoma, carcinosarcoma and pulmonary blastoma.
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