<prompt> In the Rx of hydatid cyst, PAIR is contraindicated in :Lung cystSize 5 cmNot ammenable to Rx with albendazoleMultiple  <response>: Ans. is a i.e. lung cyst The PAIR technique can be performed on liver, bone, and kidney cysts but should not be performed on lung and brain cysts. The cysts should be larger than 5 cm in diameter and type I or II according to the Gharbi ultrasound classification of liver cysts. PAIR can be performed on type III cysts as long as it is not a honeycomb cyst. Contraindications: Early pregnancy Cysts in lung, spine, brain hea. Inaccessible cysts or cysts in risky location superficially located cysts risk of spillage Inactive or calcified lesions type IV type V according to Gharbi classification Cysts communicating with the biliary tree risk of sclerosing cholangitis from the scolecoidal agent Cysts communicating with abdominal cavity, bronchi or urinary tract 