Dustin Diamond, the beloved actor who played Screech in Saved by the Bell, has been diagnosed with stage four cancer.The 44-year-old star of the 1990s popular show is reportedly undergoing his first round of chemotherapy, following a health scare that forced him to be hospitalized this past weekend.The manager of the actor revealed that they are taking it very seriously, as he is currently in Florida, and doctors are trying to find out more information about the severity of the cancer.It was