a minor operation

基本解释

He will undergo a minor operation this afternoon and is expected to return to work within two or three days.
今天下午他会做个小手术，预计两到三天即可恢复。
Heart-attack victims – who haven't taken advantage of widely available bionic hearts – will calmly drive to the doctors for a minor operation as their blood bots keep them alive.
那些还没有得到大范围应用的仿生心脏的心脏病患者，可以自己悠闲的开车去医生那里做个小手术，他们的纳米血液可以让他们没有问题。
tysurl.com
Tomorrow I have to go into hospital – just a minor operation.
明天我要去住院——只是动个小手术。

He accepted the award in a wheelchair after a minor operation became major ankle surgery.