Preferred Label : Appendix Carcinoma by AJCC v9 Stage;
NCIt synonyms : Appendiceal Carcinoma by AJCC v9 Stage;
NCIt definition : A term that refers to the staging of appendix carcinoma according to the American
Joint Committee on Cancer, 9th edition. This staging system applies to adenocarcinomas,
mucinous neoplasms (low-grade mucinous neoplasms and high-grade mucinous neoplasms),
poorly differentiated neuroendocrine carcinomas, mixed neuroendocrine-nonneuroendocrine
neoplasms (mixed adenocarcinoma-neuroendocrine carcinoma), and goblet cell adenocarcinomas
(formerly termed goblet cell carcinoids). Well-differentiated neuroendocrine tumors
(carcinoids) are staged according to the classification for neuroendocrine tumors
of the appendix. (from AJCC 9th Ed.);