University of Chicago Medical Center 1 article published in JoVE Medicine A Novel Microsurgical Model for Heterotopic, En Bloc Chest Wall, Thymus, and Heart Transplantation in Mice Byoungchol Oh*1, Georg J. Furtmüller*1, Michael Sosin*1, Madeline L. Fryer1, Lawrence J. Gottlieb2,3, Michael R. Christy4, Gerald Brandacher1,5,6, Amir H. Dorafshar1,5,6 1Johns Hopkins University School of Medicine, 2Burn and Complex Wound Center, 3Section of Plastic and Reconstructive Surgery, University of Chicago Medical Center, 4Division of Plastic, Reconstructive, and Maxillofacial Surgery, R Adams Cowley Shock Trauma Center, 5Department of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, 6Vascularized Composite Allotransplantation (VCA) Lab, Johns Hopkins University School of Medicine To study combined solid organ and vascularized composite allotransplantation, we describe a novel heterotopic en bloc chest wall, thymus, and heart transplant model in mice using a cervical non-suture cuff technique.