Breast Cancer pN1 TNM Finding v6

**Semantic type:** Finding

**Definition:** Breast cancer with metastasis to 1 to 3 axillary lymph nodes, and/or internal mammary nodes with microscopic disease detected by sentinel lymph node dissection but not clinically apparent. (from AJCC 6th Ed.)

**Synonyms:** - pN1 Breast Cancer v6 - pN1 Breast Carcinoma v6 - pN1 Cancer of Breast v6 - pN1 Cancer of the Breast v6 - pN1 Carcinoma of Breast v6 - pN1 Carcinoma of the Breast v6