The 36-year-old insists treatment has left her "clear" of any tumors.
"I wish I had been nude from the time I was 12 until I was 28. I looked great!" she told the magazine.
Just 19 guests watched as the couple read aloud their handwritten vows.
The movie was originally slated for release in November 2008, but now won't hit cinemas until July 2009.
"I'd like to have as many children as my body will allow - and I'd adopt if I still want more after that."