It is...

这是...
Curable?

是可以治愈的吧
I prefer the word "treatable."

我觉得能治疗更合适
But the treatments we have at our disposal can be very effective.

但我们采用的治疗方法可以说非常有效
Without making any promises, I can tell you that

虽然不能打保票但我可以说
The specific course of radiation and chemotherapy I'm going to suggest

我所要推荐的放疗和化疗
Has been successful.

一直都很成功
In certain cases,

在某些病例中
It prolonged patients' lives and even resulted in remission.

延长了病人生命甚至缓解了病情
What about the side effects?

那副作用呢
Well, they can be mild to practically non-existent,

副作用有可能平缓到忽略不计
Or they can be pretty darn awful.

也有可能非常强烈