lungs cancer spread to brain. 4th stage of cancer start..how much time the person live long?

A. I cannot tell you all these things in file the doctors also cannot guarantee about anything they can probably tell you and expect a time that you can see if it is Tezpur it can mostly be 3 to 6 months or maybe one month you never know how things are going to turn out for a person so which is why I would say that nobody right now can give you an assurance on any of the