What Causes Severe Pain In Groin?

GREETINGS I AMAMALE AGED 78 YEARS. FHE PAST 3 MONTH I HAVE PAIN9IN THE GROIN REGION. THERE IS NO SWELLING. I HAVE BEEN ADVISED TO TA,E SCANFOR PROSTTATE STONE IN KIDNEY AND ALSO XRAYS I AM ADVISED YO TAKE GENOCIDE forte and cep podium. Though there is no pain on the testicle there is uneasiness and when I apply ice it gets shrunk
Though the pain is reduced I have not got complete cure Kindly advise