ON AUGUST IST I HAD MY PROSTATE REMOVED (CANCER) TWO WEEKS LATER THEY REMOVED THE CATHETER AND OVER A SHORT PERIOD OF TIME MY URINE STARTED TO GET RESTRICTED. THE DOCTER DIALATED MY URETHER AND AT FIRST IT WAS OK BUT EVENTUALLY IT STARTED TO GET RESTRICTED AGAIN. i DON'T HAVE ANY PAIN BUT I DRIBBLE AND HAVE TO GO FREGUENTLY(ABOUT EVERY 30 MINUTES.) WHT DO YOU THINK THE CAUSE IS