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《癌症治疗（英文）》
>Early Stage Triple Negative Breast Cancer Has Significantly Better Outcomes than More Advanced Disease: A Single Centre Retrospective Review
Early Stage Triple Negative Breast Cancer Has Significantly Better Outcomes than More Advanced Disease: A Single Centre Retrospective Review
A retrospective, serial analysis of 181 triple negative breast cancer (TNBC) patients was undertaken at a regional cancer centre in Canada. The primary focus of the analysis was to investigate the effect of presenting stage in patients with TNBC on progression free and overall survival. We were able to demonstrate that patients presenting with an earlier stage breast cancer had a significantly superior progression free and overall survival when compared to more advanced stage. The adjusted multivariate cox-regression analyses for the overall and progression free survival suggest that the hazard of death was significantly lower for patients with stages I (HR = 0.09;95% CI 0.03 - 0.24) and II (HR = 0.29;95% CI 0.16 - 0.54) than for patients with stage III. The only other predictor of progression free survival besides stage, was receipt of radiotherapy (HR = 0.39;95% CI 0.22 - 0.69) in the adjusted cox regression analysis. Less than 2% of patients presented with stage IV disease. The small numbers presenting with stage IV disease may have impact on the development of clinical and translational trials. Certainly there may be stage migration if staging included more standardized or more sensitive investigations such as PET scans, and this might an important consideration in developing clinical trials. Twenty-five percent of patients presented with stage I disease. It is important for patients with TNBC presenting with earlier stages of disease that they are aware that they will have a better prognosis than their counterparts with more advanced disease. It is important that we are aware of this patient population, as their treatment recommendations are unclear and a source of a fair amount of controversy currently.
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