“Composite malignant tumors containing both carcinomatous and sarcomatous components are known as carcinosarcomas.”

“Histologically, the tumor was composed of a squamous cell carcinoma and a spindle cell sarcomatous component.”

“Histologically, the tumor was composed of both carcinomatous and sarcomatous elements.”

“Distinguishing sarcomatoid mesothelioma from sarcomatoid carcinomas and other sarcomas may be difficult.”

“Conclusion: The sarcomatoid carcinoma of the upper airways is rare, but not unusual.”

“Rare subtypes include carcinoid tumors, bronchial gland carcinomas and sarcomatoid carcinomas.”