我不想做这个手术。

Wǒ bù xiǎng zuò zhè gè shǒushù.

I don't want to have this surgery.

每一个手术都有它的风险。

Měi yí gè shǒushù dōu yǒu tā de fēngxiǎn.

Every surgery has its risks.

医生说这个手术风险不大。

Yīshēng shuō zhè gè shǒushù fēngxiǎn bù dà.

The doctor said the risks of this surgery aren't very high.