Acute cellular rejection following solid organ transplantation occurs-: (A) Within minutes to hours of transplantation, (B) Within 48 hours of transplantation, (C) Between 5 and 30 days of transplantation, (D) Beyound 30 days after transplantation
Answer is C. *acute graft versus host disease occurs within days to weeks after allogenic bone marrow transplantation.Reference;Robbins and Cotran pathologic basis of disease South Asia edition.