<prompt> Which of the following is not a sign of pulmonary hydatidosisWaterlily signRising sun signMeniscus signDrooping lilly sign  <response>: Drooping lilly sign is seen in neuroblastoma and duplication of ureter Duplication of ureter: Drooping lilly sign on IVPNonvisualized upper pole of a duplex system displaces the lower pole down, looking like a drooped down lilly flower on IVP Chracteristic signs of pulmonary hydatidosis Meniscus sign Double arc sign Moon sign Waterlily sign Crescent sign Ref: Wolfgang 2nd edition Pg no : 309 