hi i am having lower abdomical pain near groan. i have been checked altrasound and no symptoms of appendix, had a white cell test done and no infection. and doctor claims small stone detected, could pass?this pain comes and goes, and dull pain just above groin area and right lower below hip bone. sometimes i fell swelling never had before right side. what do you think this may be,my doctor has asked me to take daily musalex for digestive system and wants me to return to see him month or if pain continues. please advise me your views. thanks