Magnetic resonance imaging correlated well while MMG calcification measurements correlated poorly with tumor size on final pathology. Extent of calcifications on diagnostic mammography may not be accurate in preoperative evaluation of breast cancers after NAC.

Qualitative methods involving pediatric patients with diverse CFCs and their parents in the item development process support the content validity for this bilingual and bicultural HRQoL instrument. The items developed in this study will now undergo psychometric testing in national multisite studies for validation.