PSA grows again



i had a TURP 4 years ago.After my PSA was between 1 and 2.He was 4 before
the operation.Last year he grows to 2.6 and now it is 3.9
What does it means?the BPH is back?
If it is not cancerous TURP has to be done again?
is there someone who had the same story?


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