HLA sensitization associated with previous kidney transplantation is a major drawback to retransplantation.

先移植导致HLA致敏是再次移植主要不利因。

The prospect of graft loss is a problem faced by all transplant recipients, and retransplantation is often an option when loss occurs.

移植物失功远景是在所有移植受体面问题，当发生时候再移植通常是选择。