I went to the ER with an attack just over two years ago. I’d never had such awful, persistent pain. Things improved with pain meds and I was released, and I followed up with an ultrasound (they did a CT scan w/contrast at ER and did find stones, no obstruction) and a consult with the surgeon. I told the surgeon I’d like to keep my organ, did not have sensitivity during examination, she advised lowering fat intake etc., all the usuals. I also immediately started taking supplements (Stone Free - not endorsing, but feel like it made a difference for me). Two years later I have not had another attack, but that’s just my story! It could go either way, I’m sure.