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Radiotherapy after Mastectomy and Axillary Dissection
Conclusions 1
In these trials:
•
for pN0 women,
RT gave no significant benefit
•
for pN4+women,
RT gave significant benefit
–
Absolute reductions
•
10-year recurrence: 8.8% (75.1% vs. 66.3%)
•
20-year breast cancer mortality: 9.3% (80.0% vs. 70.7%)
–
Proportional reductions
•
Recurrence: 21% (
SE
6)
•
Breast cancer mortality: 13% (
SE
8)