Task: Answer Verification
Input (English): Question: Is extent of microinvasion in ductal carcinoma in situ associated with sentinel lymph node metastases?
Answer: Even with large numbers, there was no higher risk of nodal involvement with ≥2 foci of microinvasion compared with 1 focus. Number of microinvasive foci and results of SLNB appear to be used in decision making for systemic therapy. Prognosis is excellent.
Output (English): no