The median follow-up period was 5.9 years (range: 0.7-10.4 years). Table 1 summarizes the patient and tumor characteristics. Adjuvant systemic treatment was delivered at the physician's discretion. A total of 182 patients (10.0%) received no systemic treatment. A total of 966 patients (52.8%) received adjuvant chemotherapy; 772 received an anthracycline-based regimen; 126 received a combination regimen comprising cyclophosphamide, methotrexate, and 5-fluorouracil; and only 31 received a taxane-containing regimen. A total of 1,260 patients (68.9%) received endocrine treatment. Among 467 HER2+ patients, only 107 (22.9%) were confirmed to have been treated with trastuzumab (not done, n = 292; unknown, n = 68). Among 255 triple negative (TN) patients, 193 (75.7%) were treated with cytotoxic chemotherapy (not done, n = 62).