Fig. 1.
Immunohistochemical staining of MMP-9 and TN-C in pancreatic cancer. a Upper panels are MMP-9 immunostaining from 3 to 0, respectively; lower panels are TN-C immunostaining from 3 to 0, respectively. b fTN-C stain was positive (left) and negative (right), respectively; the arrow is a tube-shaped fTN-C. Original magnification, 200 ×, 400 × magnification was showed in the bottom right box