Oncologic Components of HIPEC: Key Question : In patients with gastric or colorectal adenocarcinoma metastatic to the peritoneum, does cytoreductive surgery (CRS) plus hyperthermic intraperitoneal perfusion with chemotherapy (HIPEC) prolong survival or increase the risk of complications relative to CRS alone? Ann Surg Oncol. 2022 10; 29(11):6561-6564.