endocardial surgery的用法和樣例：
例句
- MRI revealed a large intramedullary mass which was found to be an intramedullary astrocytoma at surgery.
後來經外科脊髓內手術及病理切片證實為脊髓內星狀細胞瘤。 - The eye was phakic, and there was no past history of ocualr trauma or intraocular surgery that would make a break in the anterior hyaloid face.
病眼擁有正常水晶體，且沒有外傷或眼內手術等足以破壞前玻璃體膜之病史。
