hey.. im 17 ive been having pain for about 2 years or so... ive been guessing it has been due to holding in urine for long periods of time.. my teachers were dumb and said i couldnt go during class! lol but everytime i hold urine for a while and then use the rest room i feel pain in my sac on testis, kinda lumplike. it hurts bad... my guess was a stretched urinary tract.. cause all the pressure of holding in the urine and my bladder expanding soo far my pants became tight! just painful lumps and they expand when i hold urine and when i let out it goes back down but can still feel lumps there... (kinda feels ropelike)... maybe this is enough info.. what do you think it could be?