Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and prior aortic root dissection repair . Aneurysmal dilatation of the ascending and descending thoracic aorta is unchanged compared to the previous radiograph . Moderate cardiomegaly is again demonstrated with left ventricular predominance . Lungs are hyperinflated with mild pulmonary vascular engorgement again demonstrated . Small right pleural effusion with bibasilar patchy opacities are new . No pneumothorax is present . Multiple clips project over the right superior chest .
    OUTPUT:
    
Unchanged mediastinal contour compatible with large ascending and descending thoracic aortic aneurysm . Moderate cardiomegaly with mild pulmonary vascular congestion . New small right pleural effusion with bibasilar opacities , likely atelectasis .