Head and Neck Cutaneous Squamous Cell Carcinoma pT4a TNM Finding v8

**Semantic type:** Finding

**Definition:** Cutaneous squamous cell carcinoma of the head and neck with gross cortical bone/marrow invasion. (from AJCC 8th Ed.)

**Synonyms:** - Cutaneous Squamous Cell Carcinoma of the Head and Neck pT4a TNM Finding v8 - pT4a