Shida D, et al. - The efficacy of R0 resection of peritoneal metastases from colorectal cancer without cytoreductive surgery or hyperthermic intraperitoneal chemotherapy (HIPEC) was determined. R0 resection of peritoneal metastases from colorectal cancer without complete peritonectomy or HIPEC was shown to be an acceptable therapeutic option from the perspective of long-term outcomes and no perioperative mortality.