Dustin Diamond has completed his first round of chemo after being diagnosed with stage 4 small cell carcinoma. JUST IN … https://t.co/EC1yhLmexW — WAVE (@wave3news) January 21, 2021 This is commonly referred to as advanced lung cancer, but in Dustin’s case … TMZ says the cancer started elsewhere in his body and metastasized in his lungs. His next round of chemo is being scheduled soon. MORE HERE More about: cancer Dustin Diamond lung Saved by The Bell small cell carcinoma