Breast Cancer cN3 TNM Finding v7

**Semantic type:** Finding

**Definition:** Breast cancer with metastases in ipsilateral infraclavicular (level III) axillary lymph node(s) with or without level I, II axillary lymph node involvement; or in clinically detected ipsilateral internal mammary lymph node(s) with clinically evident level I, II axillary lymph node metastases; or metastases in ipsilateral supraclavicular lymph node(s) with or without axillary or internal mammary lymph node involvement. (from AJCC 7th Ed.)

**Synonyms:** - Breast Carcinoma cN3 TNM Finding v7