Head and Neck Cutaneous Squamous Cell Carcinoma pT4b TNM Finding v8

**Semantic type:** Finding

**Definition:** Cutaneous squamous cell carcinoma of the head and neck with skull base invasion and/or skull base foramen involvement. (from AJCC 8th Ed.)

**Synonyms:** - Cutaneous Squamous Cell Carcinoma of the Head and Neck pT4b TNM Finding v8 - pT4b