复数： tumours

Thankfully , the tumour was cut out before it spread .

所幸的是肿瘤在扩散前就切除了。

A laser was then used to cut the tumour from leyna 's lips . The operation lasted just over an hour .

接着使用激光切除胎儿嘴唇上的瘤，手术持续了一个多小时。

Result in more tumour destruction .

不会导向更多的肿瘤毁灭。

At surgery his tumour proves inoperable .

应诊时，发现肿瘤已经无法通过手术治愈。

This means it can destroy a tumour without damaging other tissue .

这意味着质子束能够破坏肿瘤而又不损害其他健康组织。