When i was a kid i was in a bike accident, i urinated blood for about a day afterwhich i recovered. Following this incident i started having problems with my testicles, first my left testicle swelled up and then it decreased in size. Upon a visit to my doctor; it was found thatthere was no serious problem at that time. But after a few months i started realizing that my left testicle was continuously shrinking until one day it kind of disappeared, i can feel it but its just the size of a pea or a small grape. What problems might i face due to this situation and what measures should i take? Thankyou very much!