Poster Discussion Abstracts
Abstract PD3-3: Next generation sequencing shows clonal selection after treatment with anastrozole or fulvestrant in a randomized trial of postmenopausal patients with large operable or locally-advanced hormone-receptor-positive breast cancer
RD Iggo, HM Wood, P Rabbitts, N Quenel-Tueux, L Mauriac, G MacGrogan, H Bonnefoi and HORGEN Investigators