has characteristic has characteristic disease has location colorectal neoplasm colorectal neuroendocrine tumor G1 colorectal carcinoid tumor MEDGEN:474244 NCIT:C96160 colorectum neuroendocrine tumor, well differentiated, low grade large intestinal neuroendocrine tumor G1 colorectum carcinoid tumor EFO:1000195 colorectum neuroendocrine neoplasm G1 colorectal NET G1 MONDO:0006162 colorectum NET G1 grade 1 neuroendocrine neoplasm of colorectum colorectum carcinoid tumour large intestinal neuroendocrine tumour G1 UMLS:C3272611 colorectal neuroendocrine tumor G1 colorectal carcinoid tumour GARD:0024315 A well differentiated, low grade neuroendocrine tumor (carcinoid tumor) that arises from the colon or rectum. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent. neuroendocrine neoplasm intestinal neuroendocrine tumor G1 tumor grade 1, general grading system colorectum