The following abstracts and case studies were accepted for the CAP21 Virtual Abstract Program. Shown before each poster session are subject areas that session.(Poster No. 1)Haiyan Lu, MD, PhD1 ([email protected]); Breanna Perlmutter, MD2; Robert Naples, Toms Augustin, Daniela Allende, MD.1 Departments of 1Pathology 2General Surgery, Cleveland Clinic Foundation, Cleveland, Ohio.Context: Gallbla...