In my knowledge , I thought it’s only a biopsy that can confirm pc ? Psa 7.4 is pretty low down the scale , keep your options open . As you have read on site this cancer is slow slow growing , I see you are 72 , what were you signs to get check out ? Remember if it is cancer , 1 in 8 of us will develop it . I personally know 6 friends who got /had it all still upright 😂 , try and chill .