label: Duodenal and Ampulla of Vater Neuroendocrine Tumor pN1 TNM Finding v8
label_lc: duodenal and ampulla of vater neuroendocrine tumor pn1 tnm finding v8
description: Duodenum and ampulla of Vater neuroendocrine tumor with regional lymph node involvement. (from AJCC 8th Ed.)