Management of Recurrent Retroperitoneal Sarcoma (RPS) in the Adult: A Consensus Approach From the Trans-Atlantic RPS Working Group

This is a clinical practice guideline for adult patients with recurrent retroperitoneal sarcoma (RPS). The guideline examines pretreatment assessment, patient selection for resection of recurrence, preoperative therapy, resection, postoperative systemic therapy, and other locoregional therapies. Pretreatment assessment options discussed include imaging, pathology, patient evaluation, and review of previous treatment. Treatment for patients who are not eligible for curative resection is also addressed.