<prompt> Hilar dance is seen in fluroscopy of-Patent ductus aeriosusAoic stenosisCoarctation of aoaMitral stenosis  <response>: hilar dance vigorous pulmonary aerial pulsations due to increased blood flow, often seen fluoroscopically in patients with congenital left-to-right shunts, especially atrial septal defectpatent ductus aerosis Ref Davidson 23rd edition pg 453 