Compared with the findings from the 1987-1989 study, the frequency of BI-RADS category 3 lesions has remained stable; patient compliance for follow-up has increased; and the positive predictive value of category 3 lesions for cancer has decreased from 1.7% to 0.4% (p = 0.04).
This study, with the limitations of a retrospective study, has shown a significant improvement in local tumor control and disease-free survival, in patients treated with shorter overall treatment times (median, 33 days) with an accelerated hyperfractionated irradiation schedule compared with those treated with a median duration of 46 days. No significant enhancement of acute reactions and late morbidity were observed with the shorter schedule.
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