In patients who had a lumpectomy alone without nodal evaluation for early stage breast cancer, how do you determine whether additional surgical LN evaluation is necessary?

In general, unless a patient is 70 and above with favorable phenotype breast cancer where choosing wisely favors no assessment of axilla surgery, everybody at this point gets SNLN bx. There are ongoing studies exploring skipping SNLN in clinically negative early stage breast cancer for other age gro...