Clinical Study

A Pilot Study of Urokinase-Type Plasminogen Activator (uPA) Overexpression in the Brush Cytology of Patients with Malignant Pancreatic or Biliary Strictures

Figure 2

Immunohistochemistry using uPA antibody. Positive staining of cholangiocarcinoma cells from cytologic brushings obtained during ERCP (arrows).
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