How do you decide about neoadjuvant chemotherapy in a women with both IDC and DCIS on biopsy when the tumor is ill defined on imaging?   

NCCN recommendations seem to mention these patients as not candidates for preoperative systemic therapy if the invasive carcinoma extension cannot be delineated from extensive DCIS.



Answer from: Medical Oncologist at Academic Institution

Answer from: Medical Oncologist at Community Practice