The clinical course of<unk>  can do one of three things: (1) it can resolve completely, (2) wax and wane, or (3) progress to gallstones. If the<unk>  has a cause (e.g. pregnancy), it oftentimes is resolved when the underlying cause is removed.
Biliary sludge
Biliary microlithiasis
Gallstone
Hepatolithiasis
Biliary pseudolithiasis
Common bile duct stone
Biliary disease
Biliary reflux