Stage I Ampulla of Vater Neuroendocrine Tumor AJCC v9 - CISMeF
Stage I Ampulla of Vater Neuroendocrine Tumor AJCC v9NCIt concept
Preferred Label : Stage I Ampulla of Vater Neuroendocrine Tumor AJCC v9;
NCIt definition : Stage I includes: T1, NX, N0, M0. T1: Tumor equal to or less than 1 cm in greatest
dimension and is confined within the sphincter of Oddi. NX: Regional lymph nodes cannot
be assessed. N0: No tumor involvement of regional lymph node(s). M0: No distant metastasis.
(AJCC 9th ed.);