How would you treat an early-stage ER/PR+ Her-2 negative breast cancer s/p lumpectomy in an elderly patient who had sentinel node biopsy omission?

I consider these patients as being managed appropriately surgically based on CALGB and current guidelines. As such, I routinely offer these patients APBI.

Unless there are other features, I do not think these patients need WBRT just because they didn't have a SLN. If they are eligible for omission of...