<prompt> Chest Radiograph and Abdominal CT scan of a middle aged male complaining of nagging abdominal pain for the past 2 weeks is given,what is the probable diagnosis?Porcelain Gall BladderHydatid CystPyogenic Liver AbscessAmoebic liver Abscess  <response>: Calcified Ring like shadow in the region of Liver on Chest Radiograph and the CT scan showing mural calcification is suggestive of Hydatid Cyst and is due to calcification of the Pericyst. 