NCIt synonyms : Rectal Carcinoma by AJCC v8 Stage;
NCIt definition : A term that refers to the staging of rectal cancer according to the American Joint
Committee on Cancer, 8th edition. This staging system applies to adenocarcinomas,
high-grade neuroendocrine carcinomas, and squamous cell carcinomas of the rectum.
(from AJCC 8th Ed.);