label: Appendix Neuroendocrine Tumor by AJCC v9 Stage
label_lc: appendix neuroendocrine tumor by ajcc v9 stage
description: A term that refers to the staging of appendix neuroendocrine tumors, based on the American Joint Committee on Cancer (AJCC) v9 staging guidelines. This staging system applies only to well-differentiated neuroendocrine tumors of the appendix (NET G1, G2, and G3). It does not apply to high-grade neuroendocrine carcinoma (NEC), goblet cell adenocarcinoma, and mixed adenocarcinoma-NET/NEC of the appendix. (from AJCC 9th Ed.)