Dustin Diamond has completed the first round of chemotherapy.

The TV star, who is best known for playing Samuel 'Screech' Powers in Saved By The Bell, is battling Stage 4 cancer after being diagnosed earlier this month.

The actor, 44, was rushed to hospital earlier this month after feeling pain all over his body, only to find out it was stage 4 small cell carcinoma..

His condition - commonly referred to as advanced lung cancer - is even more aggressive, as the cancer started in his body and went on to spread into his lungs.

Dustin's next round of chemo is reportedly being scheduled soon, reports TMZ.

Dustin Diamond
Dustin has reportedly completed the first round of chemotherapy

His reps told the publication that he's set to begin physical therapy, and that he's keeping a positive outlook throughout the treatment process.

The actor is reportedly looking forward to spending more time with his girlfriend as he continues to remain under the watchful eye of doctors and nurses.

He is "going to be in the hospital for a while" as he receives treatment.

Samuel 'Screech' Powers in Saved By The Bell
The TV star is best known for playing Samuel 'Screech' Powers in Saved By The Bell

The Mirror has contacted Dustin's reps for comment.

Earlier this month it was confirmed that Dustin had been diagnosed with cancer.

A statement posted to his Facebook page read: "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.

Dustin Diamond
The actor is battling Stage 4 cancer after being diagnosed earlier this month

"We ask everyone to respect Dustin's privacy during this difficult time. All positivity and prayers are appreciated."

Dustin's close friend Dan Block has told The Sun that he had a "huge lump" on his neck but the actor had put off getting it checked.

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