Stage 0 Hypopharyngeal Squamous Cell Carcinoma AJCC v6, v7, and v8

**Semantic type:** Neoplastic Process

**Definition:** Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th, 7th, and 8th eds.)

**Synonyms:** - Stage 0 Hypopharyngeal Squamous Cell Carcinoma - Stage 0 Hypopharyngeal Squamous Cell Carcinoma AJCC v6 - Stage 0 Hypopharyngeal Squamous Cell Carcinoma AJCC v7 - Stage 0 Hypopharyngeal Squamous Cell Carcinoma AJCC v8 - Stage 0 Hypopharynx Squamous Cell Carcinoma - Stage 0 Squamous Cell Carcinoma of Hypopharynx - Stage 0 Squamous Cell Carcinoma of the Hypopharynx