ESTRO Multidisciplinary Management of Breast Cancer 2017

RT specific aspects: hypofractionation ?

• 197 patients 2 centers in Australia: • 141 pts conv vs 56 hypofx • 4.4 yr f-up, LR: 7.1% vs 3.6% • Risk factors seem evenly distributed, but retrospective..

Waiting for results of TROG 0701 DCIS study (NCT00470236) RCT with 4 arms:

Boost- no boost AND Hypof vs conventional fx

N = 1608 Inclusion 2007 – 2014

Oar et al, 2016