NEED HELP FOR ELDERLY MOTHER W. GALL STONES

I had posted this alteady on another forum, where it was suggested to post here.
I am looking for help with some question concerning gall stones and gall bladder attacks. My mother who is 90 has gall stones, also had several painful attacks with hospitalization. For several reasons we are presently not considering an operation. (She also has kidney stones, but we are already addressing those)
I am afraid to do traditional flushes with her, but I am wondering if anyone has had good results with the mini cleanse where you take one Tbs. of olive oil plus juice of a lemon all blended with a cup of water, drunk first thing in morning or before bedtime? I have done this for several weeks before my first “real”flush , but I have never had gall bladder attacks. Could this process trigger an attack? Also, can good salad oil ( flax seed or pumpkin seed oil) trigger an attack?
What should she avoid? Is there a way of getting rid of stones other than operation, other than the traditional olive oil/grapefruit juice flushes?
Will gold coin grass tincture or chanca piedra break down stones AND ultimately expel them, or does one have to follow through with the traditional flushes, or else the broken down pieces will clump together again??? Or is Stonefree any better??
I would highly appreciate your input on this.