Pulmonary vein thrombosis associated with metastatic uterine leiomyosarcoma: a case report.

While malignancies are not a common cause of PVT, both primary lung tumors and metastatic cancers could be associated with PVT. Delay in diagnosis may lead to serious complications and even death. Therefore, clinicians should be aware of the possibility of the development of PVT in different malignancies for appropriate diagnosis and treatment.