He was recovering from a heart transplant operation.

他正从心脏移植手术中康复。

《柯林斯英汉双解大词典》

The doctor told him that only by doing a cornea transplant operation could he bring his sight back.

医生告诉他，只有做角膜移植手术他才能恢复视力。

youdao

The patient refused to have a liver transplant operation.

病人拒绝接受肝移植手术。

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But as he turned 15 his condition deteriorated and a heart transplant operation was carried out last month.

BBC: Zena, Andrew and Andrew Humphrey

She said after the initial transplant operation, a further CT scan returned abnormal results and so another operation was carried out.

BBC: Addenbrooke's Hospital

The initial transplant operation was successful, but he contracted MRSA following surgery, and died after two further operations to clean up wounds.

BBC: Hospital slated over transplant deaths