Table 2 Comparison of breast cancer events in prospective randomized trials of DCIS treatment
EORTC 10853 [13] | NSABP B17 [11] | SWE DCIS [24] | UK/ANZ DCIS [15] | |||||
|---|---|---|---|---|---|---|---|---|
4 y follow up | 4 follow up | 5.2 follow up | 4.3 y follow-up | |||||
L | L+RT | CL | L+RT | L | L+RT | L | L +RT | |
Type of cancer | (n = 503) | (n = 507) | (n = 403) | (n = 410) | (n = 533) | (n = 534) | (n = 544) | (n = 267) |
Ipsilateral breast cancer | ||||||||
Total | 83 | 53 | 98 | 49 | 117 | 44 | 115 | 22 |
Invasive | 40 | 24 | 66 | 29 | 69 | 23 | 39 | 10 |
No invasive | 44 | 29 | 32 | 20 | 48 | 21 | 76 | 12 |
Contralateral Breast cancer | ||||||||
Total | 8 | 21 | 8 | 10 | 22 | 26 | 11 | 9 |
Invasive | 5 | 16 | 5 | 8 | 15 | 23 | 6 | 9 |
No invasive | 3 | 5 | 3 | 2 | 7 | 3 | 5 | 0 |