Do you offer RNI to a T1N0 breast cancer patient who underwent inadequate axillary dissection?

I would not do RNI but include level 1 and 2 nodes for inadequate assessment of axilla with a tangential field for BCS.

In patients undergoing mastectomy who are T1N0 with inadequate axillary sampling (no SLN, few LN taken), I do not offer RT even with triple-negative, grade, LVSI unless positive margin though I do discuss the possibility of higher rates of LRR than a luminal A patient.

In patients undergoing lumpect...

In the name of playing Devil's Advocate (or initiating a nerd fight club), I'll provide an opposition view on "is it ever appropriate to cover RNI for pT1N0?" (irrespective of LND adequacy, & excluding neoadjuvant therapy).

Situations for data suggest which it may be reasonably considered/discussed, ...

Covering Level I and II are sufficient.

@Dr. First Last @Dr. First Last @Dr. First Last. I have a case along a similar topic that I would love your thoughts on:

The patient is a female in her late 20s with left breast IDC, strongly ER+ PR+ Her2-, poorly differentiated of lower outer/central quadrant, 5:00 5 cm FN. Upfront breast MR withou...