Stage 0 Esophageal Adenocarcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage 0 includes: Tis (HGD), N0, M0, G1,GX. Tis: High-grade dysplasia. N0: No regional lymph node metastasis. M0: No distant metastasis. G1: Well differentiated. GX: Grade cannot be assessed-stage grouping as G1. (AJCC 7th ed.)

**Synonyms:** - Adenocarcinoma in situ of Esophagus - Adenocarcinoma in situ of the Esophagus - Esophageal Adenocarcinoma in situ - Esophageal Adenocarcinoma, Stage 0 - Esophagus Adenocarcinoma in situ - Oesophageal Adenocarcinoma Stage 0 - Stage 0 Adenocarcinoma of Esophagus - Stage 0 Adenocarcinoma of the Esophagus - Stage 0 Esophageal Adenocarcinoma - Stage 0 Esophageal Adenocarcinoma - Stage 0 Esophagus Adenocarcinoma