It's funny how doctors need reassuring too. Sometimes, maybe more than patients.

Maybe that's what he's waiting for . . . just the right "signal" from you that you won't have a child, that it won't have defects and that you won't end up suing him. It always comes down to litigaphobia, doesn't it?
The Catch-22 about immunotherapy is that your chances increase for having a remission but so does the chance of an exacerbation due to infection. Or cancer, anemia or lots of other side effects like not being able to sleep well.
Whatever you decide, I hope it helps.
Do you mind me asking what kind of cancer your paternal grandparents had?
Annie