Head and Neck Mucosal Melanoma pT4a TNM Finding v7

**Semantic type:** Finding

**Definition:** Mucosal melanoma of the head and neck with moderately advanced disease. Tumor involves deep soft tissue, cartilage, bone, or overlying skin. (from AJCC 7th Ed.)

**Synonyms:** - Mucosal Melanoma of the Head and Neck pT4a TNM Finding v7