Stage 0 Colorectal Cancer AJCC v6 and v7

**Semantic type:** Neoplastic Process

**Definition:** Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ: intraepithelial or invasion of the lamina propria. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th and 7th eds.)

**Synonyms:** - Colorectal Cancer, Stage 0 - Colorectal Carcinoma Stage 0 - Stage 0 Colorectal (Colon or Rectal) Cancer - Stage 0 Colorectal Cancer AJCC v6 - Stage 0 Colorectal Cancer AJCC v7 - Stage 0 Colorectal Carcinoma - stage 0 colorectal carcinoma in situ