What does a gallbladder sludge and cyst in the liver mean?

Benign findings : Gallbladder sludge can be seen with rapid weight loss, prolonged fasting, really sick patients with low/absent oral intake or use of tpn.Certain drugs (i.e. Ceftriaxone) can also cause it.The clinical course of sludge varies - often going away if the causative agent is eliminated. Asymptomatic patients require no therapy. If symptomatic or complications arise cholecystectomy may be indicated.