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Table 2 Clinical and pathological characteristics of the 66 patients, not receiving radiotherapy, with or without the development of local recurrence

From: Gene expression profiling in primary breast cancer distinguishes patients developing local recurrence after breast-conservation surgery, with or without postoperative radiotherapy

All LR+RT- LR-RT-
  n = 22 n = 44
Time to local recurrence, months    
   Median 35 -
   Range 11–96 -
Follow-up, months    
   Median - 84
   Range - 21–166
Tamoxifen 2 4
Chemotherapy 1 1
Tamoxifen and chemotherapy 1 0
No adjuvant treatment 18 39
Inclusion 1 and 2 Inclusion 1 Inclusion 1 Inclusion 2
Menopause    
   Pre 9 3 4
   Post 13 30 2
   Not available 0 0 5
Age at operation, years    
   Median 53 61 49
   Range 44–73 45–70 40–62
Size, millimeters    
   Median 15 13 16
   Range 7–30 6–40 10–26
   Not available 0 0 0
Grade    
   1 4 13 5
   2 10 9 3
   3 5 8 3
   Not available 3 3 0
Estrogen receptor    
   Positive 14 27 11
   Negative 8 6 0
Progesterone receptor    
   Positive 15 17 11
   Negative 7 14 0
   Not available 0 2 0
Health care region    
   South 9 21 11
   West 13 10 0
   South-East 0 0 0
   Stockholm 0 2 0
  1. LR-RT- = no local recurrence, no radiotherapy given; LR+RT- = local recurrence developed, no radiotherapy given.