He was operated on for lung cancer.

他因肺癌动了手术。

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In July Mr Castro was operated on for “intestinal bleeding”.

在七月的时候卡斯特罗曾经因为胃肠出现而做手术。

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However, it later grew lethargic and was operated on to remove sand from its stomach.

然而，它没过多久就发蔫了，它被实施手术并从胃中取出沙子。

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In March, the newspaper reported, a four-year-old girl was operated on to remove an inflamed appendix.

CNN: Tiny Margin for Error

Pietersen was operated on after his movement became increasingly restricted through the first two Ashes Tests.

BBC: Pietersen hit by injury setback

Inspectors said they were told by staff that a child was operated on without written parental consent.

BBC: BMI Mount Alvernia Hospital, Guildford