动脉发生了病变，移植是惟一的希望。
The arteries are diseased and a transplant is the only hope.
最常见的需要进行动脉移植的病人是动脉退行性病变。
The most frequent need for arterial replacement is in patients with degenerative arterial disease.
结论角膜移植术是一种有效的治疗角膜病变的方法。
Conclusion The keratoplasty might be an effective method to treat keratopathy.
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