<prompt> Which among the following is not a chest radiographic feature of left atrial enlargement?Double left hea borderElevated left main bronchusSplaying of carinaEnlargement of left atrial appendage  <response>: Double right hea border is seen in the left atrial enlargement not the Double left hea border ...Left atrial enlargement presents with elevation of left atrial bronchus ,Splaying or widening of carina , indentation and displacement of oesophagus posteriorly, Double right hea border and prominent left atrial appendage 