as a physician it should be clear to you that many of the objects passed do not fit the appearance and physical characteristics of biliary stones. why would intrahepatic biliary stones be a problem in someone with a normal biliary tree anatomy? Look at PBC, PSC and autoimmune Cholangitis and contrast them with the people here - doesn't that tell you something?
HIDA scan in cholecystitis shows a poorly contracting gallbladder. How then will the poorly contracting gallbladder egt rid of gallstones?