Fig. 1From: ER, PgR, Ki67, p27Kip1, and histological grade as predictors of pathological complete response in patients with HER2-positive breast cancer receiving neoadjuvant chemotherapy using taxanes followed by fluorouracil, epirubicin, and cyclophosphamide concomitant with trastuzumabImmunohistochemical findings of p27Kip1. a Nuclei of cancer cells showing highly positive immunoreactions for p27Kip1. b The cytoplasm of cancer cells was weakly positive, whereas the nuclei were negative for p27Kip1Back to article page