question: I HAVE A SWOLLEN LYMPH NODE ON THE RIGHT INNER SIDE OF MY GROIN,IT HAS BEEN THERE FOR 2YRS.iT WOULD ONLY BOTHER ME IF i PUSHED ON IT,NOW ITS HURTING ALL THE TIME N HURTING DOWN MY LEG.iTS ABOUT THE SIZE OF WALNUT.wHAT COULD CAUSE THIS N WHAT TYPE OF DOCTOR SHOULD i SEE.mY DR. AT 1ST THOUGHT IT WAS A FEMORAL HERNIA N FOUND OUT IT WASNT N JUST SAID IT WAS A LYMPH NODE,HAVENT BEEN BACK SINCE N IT HAS GROWN IN SIZE SINCE THAT VISIT.