Well, galllstone is usually associated with these symptoms-
-Pain in center of your abdomen and may spread from here to your side or shoulder blade
-a high temperature of 38C (100.4F) or above.
-yellowing of the skin and whites of the eyes.
If you have any such symptoms, then ultrasound would be diagnostic.
If required, A procedure called a cholangiography can give further information about the condition of your gallbladder.
As such, it doesn't looks to be gallstone.
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