“…Achieving gender balance may still require several decades, as more female trainees enter the workforce and predominantly older male radiation oncologists retire. 43 The recent decline in the number and proportion of female Canadian RO trainees may slow, or potentially reverse, advancements in the representation of women in the Canadian RO workforce. Strategic efforts to attract female medical students to RO as a potential career option in regions with lower female-to-male ratios in RO trainees and radiation oncologists, namely in Ontario and the Prairies, will be required to reduce the variability in gender distribution of the workforce across Canada.…”