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

先前肾导致的HLA致敏再的主要不利因。

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

物失功的在所有受体面前的一个问题，当发生的时候再通常一个选择。