Leiomyosarcoma of the superior vena cava: Resection with vascular reconstruction - case report and review of the literature.

The present report describes a case of pedunculated intraluminal leiomyosarcoma of the superior vena cava, extending to the right atrium, that was successfully resected surgically. Superior vena cava reconstruction was performed using bovine pericardial graft, saving the sinus node. The pathological variants of this neoplasm according to the anatomical site of the tumour are described.