Hello,
Generally Gall bladder stone cause dull aching right sided upper abdominal pain, but some gallbladder stone may cause serious complications as below:
https://www.4shared.com/s/fyJeWw6RMiq
At this time required surgery in form of Cholecystectomy (removal of gallbladder with stone) which can be inform of laproscopic or open surgery as per surgeon's experience, availablity of set up and so on.
Some of indication of prophylactic cholecystectomy is as belows:
Gall stone more than 3 cm size
https://www.4shared.com/s/fJ1u9xo_Miq
Next Steps
So consult to surgeon with USG report