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Table 4 Effect of radiation on local recurrences and breast cancer mortality in node-negative and node-positive disease

From: Radiation impact in breast cancer

  Mastectomy + axillary
clearance + radiation
Mastectomy + axillary clearance Radiation gain (%)
Radiation after mastectomy and axillary clearance
   Isolated local recurrence (%)    
Node-negative 3.1 7.8 4.9
Node-positive 7.8 29.2 17.1
   Breast cancer mortality (%)    
Node-negative 27.7 31.3 -3.6
Node-positive 54.7 60.1 5.4
Radiation after conservative surgery (lumpectomy, conservation)
   Isolated local recurrence%    
Node-negative 10.0 29.2 19.2
Node-positive 13.1 46.5 33.4
   Breast cancer mortality (%)    
Node-negative 26.1 31.2 5.1
Node-positive 47.9 55.0 7.1
  1. Adapted from Early Breast Cancer Trialists Collaborative Group [6].