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Table 2 Characteristics of stage I, II and III breast cancer patients whose initial surgery was BCS and underwent re-excision

From: Re-excision and survival following breast conserving surgery in early stage breast cancer patients: a population-based study

  Stage I Stage II Stage III
  Re-excision
Surgery
N (%)a
Total Re-excision
Surgery
N (%)a
Total Re-excision
Surgery
N (%)a
Total
Total Patients 556 (16) 3476 428 (23) 1840 103 (30) 343
Age at Diagnosis
  < 50 176 (21) 820 145 (23) 623 42 (34) 125
 50-59 166 (16) 1031 133 (25) 535 35 (32) 110
 60-69 118 (14) 862 95 (24) 391 16 (25) 64
 70-79 79 (14) 582 39 (20) 194 8 (28) 29
 80+ 17 (9) 181 16 (16) 97 2 (13) 15
Geography of Surgery
 Calgary 184 (13) 1409 143 (18) 765 33 (24) 140
 Edmonton 269 (17) 1583 188 (24) 775 44 (31) 142
 Central 35 (22) 156 26 (29) 91 8 (57) 14
 South 43 (18) 237 38 (29) 132 11 (35) 31
 North 25 (27) 91 33 (43) 77 7 (44) 16
Surgeon Volume
 Very High (60+) 271 (15) 1761 189 (21) 888 41 (25) 165
 High (20-59) 201 (16) 1265 167 (23) 723 39 (33) 119
 Medium (13-19) 59 (20) 301 44 (31) 144 19 (49) 39
 Low (5-12) 21 (19) 113 21 (33) 63 2 (13) 16
 Very Low (< 5) 4 (10) 36 7 (32) 22 2 (50) 4
Year of Diagnosis
 2002-2005 253 (16) 1632 202 (25) 802 48 (32) 152
 2006-2009 303 (16) 1844 226 (22) 1038 55 (29) 191
Tumor Size
 T0 0 (0) 1 1 (50) 2
 T1 556 (16) 3476 154 (23) 660 21 (18) 118
 T2 258 (22) 1147 49 (31) 157
 T3 16 (50) 32 27 (60) 45
 T4 5 (24) 21
Nodal Status
 N0 556 (16) 3476 158 (20) 780 2 (18) 11
 N1 270 (25) 1060 14 (48) 29
 N2 56 (26) 215
 N3 31 (35) 88
  1. Abbreviations: BCS breast conserving surgery, ER estrogen receptor, PR progesterone receptor
  2. aThe denominator for each percentage is the total number of patients who received initial BCS in the adjacent row for the same stage of disease