Hi , I am a male, 28, had Unprotected oral sex with FSW last year feb 2012, After that i had pain in right side of the abdomen groin and Lower Back Done a CT scan for Renal stone but nothing was detected found thickening in ileaum and doctor gave Antibiotics for the same, Done Colonoscopy to point Tuberculosis but it was negative Done HIV1 and 2 were negative, TPHA, VDRL was negative, Hepatitis B Negative, Done PCR from Urine for Chlamydia but that was also negative, But from past 4 months i am having pain in Groin and mild at right Testicle , i am worried would it be any kind of STD pls suggest