Douglas W. Blayney, MD, FASCO, Clinical researcher and breast oncologist, Professor of Medicine at Stanford University. In this video, he speaks about the ASCO 2022 Abstract – Real-world effectiveness of prophylactic granulocyte colony-stimulating factor (G-CSF) early (week 1) and late (weeks 2-3) in the cycle for the prevention of febrile neutropenia (FN) among patients (pts) with breast cancer (BC) after high FN–risk chemotherapy (chemo).