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Acknowledgements
We would like to acknowledge Dr. Christine Bookhout for providing the histopathology images and help in describing the images.
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Ting-Hsuan Chiang: clinical data acquisition and literature search, and drafting the manuscript. Aman Kumar: study design, clinical data acquisition and literature search, and drafting the manuscript. Chirag S. Desai: conception of the study, revising, and approval of the final draft.
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Chiang, TH., Kumar, A. & Desai, C.S. Adenosquamous Carcinoma of Extrahepatic Bile Duct in Primary Sclerosing Cholangitis. J Gastrointest Surg 26, 2399–2401 (2022). https://doi.org/10.1007/s11605-022-05442-6
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DOI: https://doi.org/10.1007/s11605-022-05442-6