The Chicago Consensus Working Group provides multidisciplinary recommendations for palliative care specifically related to peritoneal surface malignancies. These guidelines are developed with input from leading experts including surgical oncologists, medical oncologists, gynecologic oncologists, pathologists, radiologists, palliative care physicians, and pharmacists. These guidelines recognize and address the emerging need for increased awareness in the appropriate management of peritoneal surface disease. They are not intended to replace the quest for higher levels of evidence. Cancer 2020;126:2571-2576.Octreotide is a synthetic peptide mimicking the natural effects of somatostatin, thereby reducing gastrointestinal secretions and gastrointestinal motility. In multiple studies, octreotide has been demonstrated to reduce vomiting episodes and gastrointestinal symptoms. 17,18 In addition, quality-of-life scores have improved with the use of octreotide in nonrandomized clinical studies. 19,20 When compared with anticholinergic therapies,