3 years ago I had microsurgery gallbladder operation.every 2 to 3 months interval I feel pain at gallbladder area.every time initially pain is low but after few hours I feel heavy pain and pain to breathing and pain in right soulder. Temperature rising 99 to 100.After one day pain intensity become low and after 3 days it automatically gone.I have endoscopy, colonoscopy,usg,scan but nothing find out. Please help me and let me know why this is happening?