google translate

Japanese:*****
google translate
-> English:I do not have to surgery. No way, thank you.
-> Japanese:*****
-> English:I do not need the surgery. So no thank you.
-> Japanese:*****
-> English:I do not need the surgery. Well, thank you.
-> Japanese:*****
-> English:I do not need the surgery. Well, thank you.

It's interesting the final translation of the second sentence is closer to the right meaning, though the first translation is completely opposite. Google translate needs convergence ;)
The meaning of the first sentence remained opposite. It means "You need to have an operation".