Breast Cancer pN1 TNM Finding v8

**Semantic type:** Finding

**Definition:** Breast cancer with micrometastases; or metastases in 1-3 axillary lymph nodes; and/or clinically negative internal mammary nodes with micrometastases or macrometastases by sentinel lymph node biopsy. (from AJCC 8th Ed.)

**Synonyms:** - Breast Carcinoma pN1 TNM Finding v8