Got ur pain n concern though it's unfortunate.
Stone is ur individuality needed to addressed well so that further encounter will also won't happen.
Ayurved offers amazing outcome with such irregularities.
It's vat-kafaj issue
Medicated ghee n detox will take care
Next Steps
consult ayurved college hospital or surgeon for going under knife.
as conventionally sx is choice for GB stone
though it's size can be pass into intestine but chances of recurrences is major concern.
where ayurved offers turn around results