get it checked as its not worth worrying about but it may be nothing i thought one of my balls was getting larger then the other and my mother has had cancer and they say is heredatary(sp?) so even thou i hatred it i went to the walk-in-center in tooting london and had sum wierd chinese doc ....probe me up but it was just were i was wearing baggy jeans allot back then and it was that really hot summer he had it was the heat making my ball irritated.......oh well i whent home had a cool bath and no probs in the mron!! but do have a check bcause imagine 2 years later wot would u be saying????? i wish i just got it checked earlier.