Left to right: Muhammad Rizwan, Ph.D., Assistant Professor of Biomedical Engineering and Ophthalmology at UT Southwestern; Madhukar Patel, M.D., M.B.A., Sc.M., Assistant Professor of Surgery and Surgical Director of the Liver Transplantation Program; and Samuel Achilefu, Ph.D., inaugural Chair of Biomedical Engineering and Professor in the Harold C. Simmons Comprehensive Cancer Center and of Radiology at UT Southwestern [Photos: UTSW]