名词短语
中文翻译：Unknown
同义词：
['改良的Heller手术，改良的Heller手术']
例句：
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1. Themodified Heller operation is a surgical procedurethat involves removing a portion of the liverto treat certain types of cancer.
改良的赫尔手术是一种外科手术程序，涉及切除肝脏的一部分来治疗某些类型的癌症。
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2.The patient underwent the modified Heller operationfor liver cancer, and it was successfulin treating the disease.
患者因肝癌接受了改良的赫尔手术，手术成功治愈了该疾病。
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3. The modified Heller operationhas become increasingly popular in recent years dueto its effectiveness and minimal complications.
由于其有效性和最小并发症，改良的赫尔手术近年来越来越受欢迎。