Rectum Neuroendocrine Neoplasm, also known as neuroendocrine tumor of the rectum, is related to villous adenoma and ascending colon cancer. An important gene associated with Rectum Neuroendocrine Neoplasm is VIP (Vasoactive Intestinal Peptide). The drugs Hyaluronic acid and Pharmaceutical Solutions have been mentioned in the context of this disorder. Affiliated tissues include lymph node and liver, and related phenotypes are carcinoid tumor and constipation