Three Weeks Ago I Started.....sudden Onset......I Began Getting Moderate Pain

Three weeks ago I started.....sudden onset......I began getting moderate pain directly at bottom rib on left side.....I am now feeling this across my back at same level. I am diabetic.....lost 90 lbs.....A1C is 6.5. Taking victoza injection 1x Dailey and metformin....2,000 mg. I am female....61. I do not drink....don't smoke....never did rec drugs. What do you think? Thank you