RIMARY pulmonary sarcomatoid carcinoma (PSC) is a rare condition, approximately accounting for 0.1%-0.4% of all lung malignancies. PSCs consist of 5 major histological variants according to 2004 WHO classification:pleomorphic carcinoma, spindle cell carcinoma, giant cell carcinoma, carcinosarcoma, and pulmonary blastoma. PSC patients are predominantly male smokers with an average age of 65 years at diagnosis. Carcinosarcoma is a biphasic tumor characterized by an admixture of both malignant epithelial and mesenchymal components as in well-defined carcinomas and sarcomas. In this article, we re...
