Figure 1From: Complete response in gallbladder cancer to erlotinib plus gemcitabine does not require mutation of the epidermal growth factor receptor gene: a case report PET scan images during treatment with erlotinib plus gemcitabine. Selected PET scan images at (a) diagnosis, (b) after 4 cycles of therapy, and (c) after 12 cycles of therapy, demonstrating a complete response to treatment.Back to article page