Breast Cancer pT4 TNM Finding v8

**Semantic type:** Finding

**Definition:** Breast cancer with tumor of any size with direct extension to the chest wall and/or to the skin (ulceration or macroscopic nodules); invasion of the dermis alone does not qualify as T4. (from AJCC 8th Ed.)

**Synonyms:** - Breast Carcinoma pT4 TNM Finding v8