Breast Cancer pN1b TNM Finding v6

**Semantic type:** Finding

**Definition:** Breast cancer with metastasis in internal mammary lymph nodes with microscopic disease detected by sentinel lymph node dissection but not clinically apparent. (from AJCC 6th Ed.)

**Synonyms:** - pN1b Breast Cancer v6 - pN1b Breast Carcinoma v6 - pN1b Cancer of Breast v6 - pN1b Cancer of the Breast v6 - pN1b Carcinoma of Breast v6 - pN1b Carcinoma of the Breast v6