Figure a. Hilar cholangiocarcinoma in a 61-year-old man who presented with findings of obstructive jaundice. He was treated for colon cancer 19 years earlier. Axial contrast-enhanced CT images (b obtained at a slightly different level than a) show diffusely dilated bile ducts terminating at a hilar mass (arrows), representing hilar cholangiocarcinoma. The patient was found to have an MLH1 mutation. | Cox, V. L., Saeed Bamashmos, A. A., Foo, W. C., Gupta, S., Yedururi, S., Garg, N., & Kang, H. C. (2018). Lynch Syndrome: Genomics Update and Imaging Review. RadioGraphics, 38(2), 483–499. https://doi.org/10.1148/rg.2018170075

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