Fig. 1From: Long-term outcomes of young, node-negative, chemotherapy-naïve, triple-negative breast cancer patients according to BRCA1 statusSelection of young, chemotherapy-naïve triple-negative breast cancer patients. Abbreviations: NCR, Netherlands Cancer Registry; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor 2. aThe NCR provides nationwide registry since 1989. bThe exclusion steps are in subsequent orderBack to article page