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

先前肾导致HLA致敏是再次主要不利因。

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

物失功是在所有受体面前一个问题，当发生时候再通常是一个选择。