Hi Had A Cyst In My Right Testicle Since Ive

hi had a cyst in my right testicle since ive been 14 now 15 years later I cant feel the cyst no more but ive been in pain for about 3 days been to the doctors today they said it aint swalloen and to keep taking tablets because they couldn't find no lumps and they are the same size but got a stich pain aswell