[Antipodes456]

He had a change in PSA levels in his blood - it's a good idea to get your bloods checked annually so you can pick up any changes, as PSA levels vary a lot person to person.

Also gan get "the finger" to see if you have an enlarged prostate.

I think as far as cancers go, prostate is one of the better ones to get, not normally aggressive, you'll probably die before it kills you.

Test often if you have family history.