Is my dad going to die?

My dad who is 54 and otherwise in good health had a PSA blood test done, and levels were very high. He is scheduled to have an ultrasound examination done soon. I'm devastated and very afraid he may have cancer and is going to die. I'm crying all the time, can't sleep or eat. Anyone here know anything about this, like had it in their family? Please, what is going to happen if it turns out to be cancer? I tried to do some googling but it just got me more worried.
Is my dad going to die?
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