Dustin Diamond, best known for portraying Samuel ‘Screech’ Powers on Saved By The Bell, has been diagnosed with stage 4 cancer, his rep confirmed.

His team confirmed the news on Diamond’s Facebook, writing: “At this time we can confirm that Dustin does have cancer. Dustin Will disclose more information once it is available and a plan moving forward is made.”

The statement also included an address where fans can mail cards and well-wishes.

A rep told the Today Show that the 44-year-old actor has stage four cancer but doesn’t know how serious it is yet.

TMZ reveals that Diamond is currently undergoing his first round of chemotherapy. He is also experiencing pain from shingles.

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