Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . The heart has decreased in size from the prior study but remains mildly enlarged . There is prominence of the central vasculature without overt signs of pulmonary edema . Bibasilar atelectasis is noted . There is no pleural effusion or pneumothorax . A tortuous and a dilated aorta is again noted . Sternotomy wires and mediastinal clips are unchanged .
    OUTPUT:
    
Decrease in heart size which remains mildly enlarged without an acute cardiopulmonary process .