Welcome to our site. Sorry that you have to be here, but glad that you found us.
There are several sites that can give a good explanation as to free PSA. here is one of them:
All the best to you.
Born Sept 1936
Gleason's Score 3+4=7, 2 of 8 positive
Open RP 28 Nov 06 (nerve sparing), Post op staging T3a
Gleasons still 3+4=7
Seminal vesicles and lymph nodes clear
Catheter out 15 Dec 06, Dry since 11 Feb 07
All PSA tests in 2007 (4) <.04
PSA tests in 2008: Mar.=.04; Jun.=.05; Sept.=.08; 3 days before Rad Start=0.1
Salvage RT completed (33 sessions - 66 Grays) on the 19th Dec., 08.
PSA in Jan., 09=0.05; July 09=<0.04; JAN 10=<0.04