For a postmenopausal patient with a pT2N0 breast cancer s/p BCS+SNB who qualifies for MA20, how do you decide between RNI, high tangents, and standard whole breast RT?

TL;DR: "This patient would have fit Z11 criteria - if they had positive nodes. Patients did very well with tangents/high tangents. For N0 patients that would have been otherwise eligible for Z11, I would treat with standard whole breast RT."

The absolute reduction in isolated LRR in MA.20 was 5% at ...