Most hemangiomas disappear completely, leaving normal or slightly blemished skin.

大多数血管瘤完全消失，留下正常或轻微瑕疵的皮肤。

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The vaccine stimulates the body's immune system to attack cells with the mutation, leaving normal cells unharmed.

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Felix Yorke disappeared after leaving work as normal at Top Man in Luton on 30 November.

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"If there is only a problem in its inner layer, it may be possible to replace just that part of the cornea, leaving the patient's normal and healthy tissue in place, " said Mr Muhtaseb, a Singleton-based consultant ophthalmologist.

BBC: New eye surgery shortens recovery