Imaging for early stage breast cancer

IORT versus HF EBRT

Fractionaction

LR rate at 5-year (%)

ELIOT

Single dose 21 Gy

4.4

TARGIT

Single dose 20 Gy

3.3 *

RMH/GOC

39 Gy/13 frs 42.3 Gy/13 frs 39 Gy/13 frs 41.6 Gy/13 frs

9.1 7.1 5.2 3.5

STARTA

START B

40 Gy/15 frs

2.2

ONTARIO

42.5 Gy/16 frs

6.7 **

* 36 mo; ** 10-y