Introduction: An optimal approach to older women with breast cancer is still a major challenge. In this paper, we present a retrospective analysis of treatment in patients aged 75 years and older who were treated at the Holycross Cancer Centre in 2015-2019.
Material and methods: The analysed group consisted of 259 women. For estimation of the general status of patients, we used the Geriatric 8 questionnaire. For every patient, an individual treatment plan was established. Survival analysis was performed; disease-free survival (DFS), cancer-specific survival, and overall survival (OS) were calculated by the Kaplan-Meier method. For DFS and OS, the Cox proportional-hazard regression was applied.
Results: The mean age in the analysed group was 80 years. Stage I and II cancer accounted for over 80% of patients. Radical mastectomy was performed in 56% and breast-conserving surgery in over 34% of patients. Sentinel lymph node biopsy was used in 114 patients. Preoperative systemic treatment was applied in 34 and postoperative chemotherapy in 51 patients, respectively. Trastuzumab was used in 23 patients. Postoperative hormonal therapy was applied in 205 and radiotherapy in 178 patients. During the observation after the treatment 32 patients died, while 227 survived. In multivariate analysis for DFS hormonotherapy was statistically significant for OS clinical stage and hormonotherapy.
Conclusions: The treatment plan for older women consisted of surgery and radiation therapy, and systemic treatment should be always considered. The decision should be made by the breast cancer team.
Keywords: breast cancer; radiotherapy; surgery; systemic treatment.
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