As Andy said, don't jump the gun until you know exactly what's going on and even it is early stage PCa then you are exactly at the right point for treatment. It's also a slow growing cancer - my PSA took a year to go from 6 to 9 when they decided treatment was needed (I chose the RARP as it suited me best).
You are likely to have the digital inspection and maybe a scan if they feel it necessary - but it may also be AS - Active Surveillance which is just a more frequent blood test.