The 39-year-old star said, "It's a real gift to be able to go back to work.

"One of the best things about this (disease) is that it emerged at a time when we were close to the end of shooting. I was able to treat it over the hiatus and it didn't interrupt our production schedule, which would have had a big effect on our cast, our crew, people who count on this family to keep making the show."