NCIt related terms : Stage 0 Esophageal Adenocarcinoma;
NCIt definition : Stage 0 includes: Tis, N0, M0. Tis: High-grade dysplasia, defined as malignant cells
confined to the epithelium by the basement membrane. N0: No regional lymph node metastasis.
M0: No distant metastasis. (AJCC 8th ed.);