<prompt> Left sided cardiac bulge seen on chest X-ray isare clit:Enlargement of left atrial appendageAzygous vein enlargementCoronary aery aneurysmPulmonary edema  <response>: A i.e. Enlargement of left atrial appendage Left hea border on chest X-ray PA view is fonned by- Aoic Knuckle, Pulmonary Conus, Left atrial Appendage and Left Ventricle. So left sided cardiac bulge is seen in enlargement of left atrial appendageQ. Mn- AK PC LAAV cb Personal computer LoVe forms left hea border. 