From: Regional radiotherapy versus an axillary lymph node dissection after lumpectomy: a safe alternative for an axillary lymph node dissection in a clinically uninvolved axilla in breast cancer. A case control study with 10 years follow up
RT-group
S-group
RT axilla (%)
100%
5.9%
RT internal mammary chain (%)
78.3%
23.2%
Tamoxifen (%)
98.9%
22.3%
Chemotherapy (%)
0.6%
10.0%