small intestinal neuroendocrine tumor G1 colon neuroendocrine tumor G1 jejunal neuroendocrine tumor G1 A well differentiated, low grade neuroendocrine tumor (carcinoid tumor) that arises from the jejunum. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent. MEDGEN:235235 jejunum NET G1 jejunum carcinoid tumour (disease) jejunal NET G1 jejunum neuroendocrine neoplasm G1 jejunal carcinoid tumor carcinoid tumor of the jejunum EFO:1000308 GARD:0024349 carcinoid tumour of jejunum jejunum carcinoid tumour jejunum carcinoid tumor (disease) jejunum neuroendocrine tumor, well differentiated, low grade carcinoid tumour of the jejunum NCIT:C6429 jejunum carcinoid tumor UMLS:C1334296 carcinoid tumor of jejunum grade 1 neuroendocrine neoplasm of jejunum jejunal carcinoid tumour MONDO:0006257 jejunal neuroendocrine tumor, well differentiated, low or intermediate grade obsolete_Jejunal Neuroendocrine Tumor G1