A 62-year-old man with diabetic nephropathy was transplanted with a kidney from a deceased donor. His immunosuppressive regimen included tacrolimus, mycophenolate mofetil, and steroids. No induction therapy was administered. Cytomegalovirus (CMV) serology was negative in both donor and recipient. He was discharged quickly with normal kidney function.Nine months later, the patient reported loss of appetite and nausea. Laboratory tests revealed AKI (doubling of