This issue of Surgical Oncology Clinics of North America, guest edited by Dr. Edward A. Levine, is devoted to Treatment of Peritoneal Metastasis.  Dr. Levine has assembled expert authors to review the following topics: History of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy; Imaging for peritoneal metastases; Patient selection for cytoreductive surgery; Pharmacodynamics and pharmacokinetics of intraperitoneal chemotherapy; Genomics and peritoneal metastases; Techniques and safety issue for intraperitoneal chemotherapy; Learning curve for cytoreductive surgery; Peritoneal metastases from gastric cancer; Peritoneal metastases from mesothelioma; Peritoneal metastases from appendiceal cancer; Peritoneal metastasis from colorectal cancer; Peritoneal metastases from ovarian cancer; Palliative care of advanced peritoneal disease; and more!