Tāmen zhōngyú zhǎo dào le pèixíng chénggōng de juānxiànzhě.
They finally found a donor who matched.
Tips
usage
Standard medical term for HLA / tissue typing in transplant medicine. 配 'to pair' + 型 'type' — match the donor's type to the recipient's. The success criterion is 配型成功 (pèixíng chénggōng, 'match successful').