<prompt> Rejection which may appear within minutes or hours of transplantation isHyperacute RejectionAcute cellular T cell-mediated rejectionAcute antibody-mediated rejectionChronic Rejection  <response>: Hyperacute RejectionThis form of rejection occurs within minutes or hours after transplantation. It occurs when preformed anti-donor antibodies are present in the circulation of the recipient.Ref: Robbins and Cotran Pathologic Basis of Disease; 9th edition; Chapter 6; Diseases of the Immune System; Page no: 233 