benign neoplasm
 |__organ system benign neoplasm_____
disease of anatomical entity         |
 |__gastrointestinal system disease__|
                                     gastrointestinal system benign neoplasm  17 rec.
                                      |__appendix leiomyoma
                                      |__esophageal lipoma
                                      |__esophagus leiomyoma
                                      |__esophagus squamous cell papilloma
                                      |__gastric hemangioma
                                      |__gastric leiomyoma
                                      |__gastrointestinal adenoma 16 rec.
                                      |__gastrointestinal neuroendocrine benign tumor
                                      |   |__gastric neuroendocrine neoplasm
                                      |   |__L-cell glucagon-like peptide producing tumor
                                      |__hepatobiliary benign neoplasm
                                      |   |__biliary tract benign neoplasm(+)
                                      |   |__liver benign neoplasm(+)
                                      |__intestinal benign neoplasm
                                      |   |__anus benign neoplasm(+)
                                      |   |__appendiceal neoplasm
                                      |   |__cecal benign neoplasm(+)
                                      |   |__colonic benign neoplasm(+)
                                      |   |__colorectal adenoma
                                      |   |__intestinal neuroendocrine benign tumor
                                      |   |__large bowel leiomyoma
                                      |   |__large intestine adenoma
                                      |   |__large intestine lipoma(+)
                                      |   |__rectal benign neoplasm(+)
                                      |   |__small intestine benign neoplasm(+)
                                      |__pancreatic cystadenoma
                                      |   |__insulinoma
                                      |   |__microcystic adenoma
                                      |   |__pancreatic colloid cystadenoma
                                      |   |__pancreatic mucinous cystadenoma
                                      |   |__pancreatic serous cystadenoma
                                      |__pancreatic intraductal papillary-mucinous adenoma
                                      |__pleomorphic adenoma 1 rec.
                                      |__squamous papillomatosis