High risk surgery. How do you know that you are not disabled, or died in the surgical cut. Therefore, you should not be doing yourself hurt yourself and get results that cannot be predicted.
High-risk surgery You will know that you are not disabled or killed in the cutting operation. So you should not keep myself to get hurt and get a result that can not be guessed.
Surgery is a high risk. How do you know that you are not disabled or died in the cutting operation. So you don't have to make yourself hurt and get the result is unpredictable.