RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58097308 T1 Peritoneal Neoplasms T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58097308 RD 2024/04/24 AB • Most tumors affecting the peritoneum are secondary implants from intraperitoneal cancers (ovarian, gastric, pancreatic, etc)• Primary peritoneal tumors are derived from the mesodermal lining of the peritoneum• Patients usually present with advanced stages of disease• History of asbestos exposure in the case of malignant mesothelioma