You just got to watch closely for the tissue rejection.

你所做的只是仔细地观察是否有排斥。

youdao

I don't possess the information and research I need on (human) tissue rejection to be optimistic about a successful operation.

由于缺乏必需的关于(人体)组织排异方面的资料和研究，我对手术的成功不抱乐观态度。

youdao

And the patient must overcome the always-present risk of tissue rejection, for which she will require immunosuppressant drugs for the rest of her life.

病人还得克服长久的组织排异反应，终生需要服用抗排异反应药物。

youdao

There are other much better solutions to the tissue rejection problem that will cost a fraction of the price.

CNN: Human stem cell cloning: 'Holy Grail' or techno-fantasy?

Doctors added more skin than needed in case of tissue rejection.

CNN: How gunshot survivor became first to receive face transplant

Could patients have themselves cloned in order to harvest cells from a genetically-identical embryo, gaining a donor and avoiding the major problem of transplant surgery: rejection of foreign tissue by the immune system?

CNN: GROWN TO ORDER