Figure 3From: Distinguishing post-treatment changes from recurrent disease in cholangiocarcinoma: a case report (A) Contrast-enhanced CT scan performed three months after completion of chemoradiotherapy. The arrows highlight the linear margins of the region of low attenuation. (B) CT obtained 9 months after radiation treatment. Oral and IV contrast were administered. The previously observed low attenuation region has resolved.Back to article page