Rare Mediastinal Hydatid Cyst.

Hydatid disease is a parasitic disease caused by the larval form of Echinococcus granulosus. Most common sites are liver, lungs, and brain. The disease is rarely present in the mediastinum.

Chilaiditi's syndrome.

Chilaidit's syndrome is a rare condition characterised by the interposition of the colon between the liver and the right hemidiaphragm. We present a case of 20-year-old male who reported with breathlessness and epigastric pain, and he was diagnosed radiologically to have Chilaiditi's syndrome.