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Table 1 patient and tumour characteristics

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
Number of patients   180 341
Age, years*   67 61
T stages (%) pT1 67.8 79.5
  pT2 32.2 20.5
N stages (%) PNx 100 -
  pN0 - 76.8
  pN1 - 22.9
  pN2 - 0.3
  1. *p < 0.05