organ system cancer
 |__gastrointestinal system cancer__
gastrointestinal system disease     |
 |__gastrointestinal system cancer__|
 |__intestinal disease______________|
                                    intestinal cancer  272 rec.
                                     |__appendix cancer
                                     |   |__appendiceal L-cell glucagon-like peptide producing tumor
                                     |   |__appendix carcinoid tumor
                                     |   |__appendix carcinoma(+)
                                     |   |__appendix lymphoma
                                     |   |__pseudomyxoma peritonei
                                     |__large intestine cancer 134 rec.
                                     |   |__anal canal cancer(+)
                                     |   |__anus cancer(+)
                                     |   |__cecum cancer(+)
                                     |   |__colorectal cancer(+) 134 rec.
                                     |   |__large intestine adenocarcinoma
                                     |__small intestine cancer
                                         |__duodenum cancer(+)
                                         |__ileum cancer(+)
                                         |__jejunal cancer(+)
                                         |__small intestinal L-cell glucagon-like peptide producing tumor
                                         |__small intestinal sarcoma(+)
                                         |__small intestinal vasoactive intestinal peptide producing tumor
                                         |__small intestine carcinoid neuroendocrine tumor
                                         |__small intestine carcinoma(+)
                                         |__small intestine leiomyosarcoma
                                         |__small intestine lymphoma