im reaching out for help here , this time for my friend ,his psa went from 3.2 to 9.1 in a year and a half , infact it went from 6 to 9.1 just in the past just the 3 months he had radiotherapy 5 years ago and now it has returned ,can any one point me in the right direction as to facts or ? does this mean that his cancer is more agressive ? as i am only knowledgeable about the surgery part of this ,many thanks .......dirt