<unk>  <unk>  is a rare cancer originating in the lung or pleural cavity. It occurs most often in infants and young children but also has been reported in adults. In a retrospective review of 204 children with lung tumors,<unk>  and carcinoid tumor were the most common primary tumors (83% of the 204 children had secondary tumors spread from cancers elsewhere in the body).<unk>  is regarded as malignant. The male:female ratio is approximately one.
Pleuropulmonary blastoma
Mesothelioma
Pulmonary sclerosing pneumocytoma
Giant-cell carcinoma of the lung
Sarcomatoid carcinoma of the lung
Epithelioid hemangioendothelioma
Hemangioendothelioma
Large-cell lung carcinoma