I'm sorry to hear that about your wife and wish her all the best. As I'm not a medical professional and don't know your wife's exact situation, I'd say it'd be

I'm sorry to hear that about your wife and wish her all the best. As I'm not a medical professional and don't know your wife's exact situation, I'd say it'd be best to bring it up with your wife's oncologist that you'd like to give it a shot. I doubt they'd object for trying it for a cycle or two, but they know best.