Saved by the Bell star Dustin Diamond has been diagnosed with cancer.The actor, who played Screech in the hit 90s sitcom, was hospitalised earlier in the week after complaining of pains across his body Dustin, 44, was scared to get a lump on his neck checked out prior to being admitted, it is claimed. After being taken to the hospital in Florida, US, he was diagnosed with having cancer, according to a statement on Dustin's Facebook page.