Fig. 3From: Low-grade papillary Schneiderian carcinoma with TP53 mutation: a case report and review of the literatureImmunohistochemical findings. A The tumor was diffusely and strongly positive for CK5/6. B EMA was mainly expressed in the outermost cell layer. C p53 was strongly positive in almost all tumor cell nuclei. D The Ki67 labeling index was about 90%Back to article page