Characteristics N=74
Age  
< 40 24 (32%)
       40-50 40 (54%)
>50 10 (14%)
Menopause 14 (19%)
Location
      External quadrant 50 (68%)
      Internal quadrant 14 (19%)
Clinical Tumor stage
      T1 28 (38%)
      T2 44 (59%)
Clinical Nods stage
       N0 46 (62%)
       N1 27 (37%)
Histological type
       Invasive ductal carcrcinoma 67 (90%)
       Medullary carcinoma 4 (5%)
SBR grade
       SBR II 32 (43%)
       SBR III 36 (49%)
Pathological Tumor stage
         T1 26 (35%)
         T2 40 (54%)
Pathological Nods stage
         N0 35 (47%)
  20 (27%)
Intraductal component 28 (39%)
LVI + 21 (28%)
ER/PR+ 60 (81%)
Chemotherapy  
       Neoadjuvant 2 (3%)
       Adjuvant 65 (88%)
Boost technics  
        Electrons 28 (38%)
        Brachytherapy 28 (38%)
        Phontons 18 (24%)
Table 1: Patient/tumor characteristics.