label: Gallbladder Neuroendocrine Tumor G1
label_lc: gallbladder neuroendocrine tumor g1
description: "A well differentiated, low grade neuroendocrine neoplasm that arises from the gallbladder. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent."