label: Duodenum and Ampulla of Vater Neuroendocrine Tumor pT1 TNM Finding v8
label_lc: duodenum and ampulla of vater neuroendocrine tumor pt1 tnm finding v8
description: "Duodenum neuroendocrine tumor invading the mucosa or submucosa only and is equal or less than 1 cm; Ampulla of Vater neuroendocrine tumor measuring 1 cm or less and is confined within the sphincter of Oddi. (from AJCC 8th Ed.)"