What treatment would you recommend to a patient with a locally recurrent sarcoma of the retrohepatic IVC (reconstruction of IVC with PTFE graft) resected over 2 years ago?

I would want to know histology, grade, and size.

Most caval tumors are leiomyosarcoma. Local recurrence is rare for retroperitoneal LMS. But it can happen, especially as here with an untreated positive margin.

If resectable, I would recommend surgery and RT to standard STS doses. The standard timi...