Breast Cancer pT1a TNM Finding v8

**Semantic type:** Finding

**Definition:** Breast cancer with tumor size more than 1 mm, but not more than 5 mm in greatest dimension (round any measurement 1.0-1.9 mm to 2 mm). (from AJCC 8th Ed.)

**Synonyms:** - Breast Carcinoma pT1a TNM Finding v8