Retrobulbar hematoma results from facial trauma, a complication of orbital surgery, or retrobulbar injection.

球后血肿可由面部创伤，眼眶手术，或球后注射造成。

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Robots should soon be able to perform cardiac surgery without the trauma and the potential risk of breaking open the chest and plugging the patient into a heart-bypass machine.

机器人很快就可以完成无损伤的心脏手术，不会因打开胸腔和使用心脏旁路机而造成危险。

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Brain surgery, head injury or trauma.

脑手术、损伤或外伤。

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Without properly-functioning adrenal glands the body cannot cope at times of stress - such as surgery, trauma or serious infection.

BBC: Living with Addison's disease

They say their criteria apply to conditions which are considered lower priority, not surgery following trauma, cancer, degenerative or other conditions.

BBC: NEWS | Programmes | Politics Show | Wales: NHS operations withheld

The chief of trauma surgery at Boston Medical Center said most of the injuries his hospital treated were to the legs.

NPR: Boston Official: Video Footage Shows Bomb Suspect