But it was Cheng who carried the most risk. Not only did doctors fear her cancer might have already spread beyond her liver -- thereby rendering a transplant futile -- but two nights before the surgery, she came down with a cold.

• 然而程的风险最大，医生担心她的癌细胞已经扩散，会使移植徒劳无功，更糟糕的是在手术前两个晚上，她患了感冒。