islet transplantation

例句：

1. 1. The procedure involves removing a patient's own islets and replacing them with donor tissue.
   该程序涉及移除患者的自身胰岛，并用供体组织替换。
2. 2. This is the first time in history that such a complex surgery has been performed on humans.
   这是历史上首次在人类身上执行如此复杂的手术。
3. 3. The success of this treatment depends on the quality of the islets used for transplantation.
   这种治疗的成功取决于用于移植的胰岛的质量。