Breast journal 2020 special issue: Post-mastectomy radiation: Tracking changes in the standard of care over 25 years.

This is an invited review article, tracking the changes in the indications and use of post-mastectomy radiation over the last 25 years. While radiation after mastectomy has been in use for decades, several key prospective randomized trials published in recent years have changed and strengthened role of this modality. This manuscript will track the milestones over the last three decades.