label: Duodenal and Ampulla of Vater Neuroendocrine Tumor cM1a TNM Finding v9
label_lc: duodenal and ampulla of vater neuroendocrine tumor cm1a tnm finding v9
description: Duodenum or ampulla of Vater neuroendocrine tumor with metastasis confined to liver. (from AJCC 9th Ed.)