Fig. 3From: POU5F1/Oct-4 expression in breast cancer tissue is significantly associated with non-sentinel lymph node metastasisRepresentative photos of Oct-4/ POU5F1 staining: a. negative expression of POU5F1/Oct-4 (score 0); b. weak-positive expression of POU5F1/Oct-4 (score 1+); c. positive expression of POU5F1/Oct-4 (score 2+)Back to article page