Figure 2From: Targeting EGFR/HER2 pathways enhances the antiproliferative effect of gemcitabine in biliary tract and gallbladder carcinomas Pattern of ErbB2 expression by HercepTest in the biliary tumors. Scoring from 0 to 3+ (A, B, negative; C 2+ and D 3+). Magnification X200.Back to article page