<unk> s are rare cancerous tumors in the<unk><unk> .
Pulmonary artery sarcoma
Pulmonary capillary hemangiomatosis
Pulmonary arteriovenous fistula
Hemangioendothelioma
Mesothelioma
Thoracic aortic aneurysm
Adenocarcinoma of the lung
Large cell carcinoma of the lung