Figure 2: PC samples were collected and subjected to immunohistochemical staining with antibody to HMGB1. Negative controlin normal adjacent tissues.Original magnification: 200× (A) (N=normal). HMGB1 expression in normal adjacent tissues. Original magnification: 400× (B) (N=normal). Positive expression of HMGB1 in PC tissues cytoplasm and nuclei was strong. Original magnification: 400× (C) (T=tumor).