Angiosarcoma of the lung: 2 cases report and literature reviewed

Angiosarcoma is a kind of malignant tumors derived from vascular endothelial cell. Its incidence rate is very low. Pulmonary angiosarcomas are usually secondary tumors, and primary cases are less than 20 so far. Here we presented two cases of angiosarcoma involved the lung, and we only confirmed case 2 as a primary pulmonary angiosarcoma. The clinical characteristics, diagnosis, treatment options and prognosis of pulmonary angiosarcoma were reviewed in this article too.