label: Duodenal and Ampulla of Vater Neuroendocrine Tumor pT2 TNM Finding v9
label_lc: duodenal and ampulla of vater neuroendocrine tumor pt2 tnm finding v9
description: For duodenum neuroendocrine tumor: Tumor invades the muscularis propria or is more than 1 cm in greatest dimension. For ampulla of Vater neuroendocrine tumor: Tumor invades through sphincter of Oddi into duodenal submucosa or muscularis propria or is more than 1 cm in greatest dimension. (from AJCC 9th Ed.)