What treatment fields do you use for N1mi breast cancer after lumpectomy/SLNB?

We treat with modified tangents including level 1 and 2 nodes in tangential beam for micrometastases. ER, PR, and her2 neu or oncotype does influence the decision for micrometastases after lumpectomy.

Agree with Dr. @Dr. First Last above. N1mic overall has low chances of regional recurrence even with whole breast only. I typically use high tangents to include the low axillary LNs. However, one should keep in mind that high tangents are more of a logical compromise and no large prospective randomi...