Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , AP . Moderate cardiomegaly is again present . Mild pulmonary vascular congestion is seen . Mild bibasilar atelectasis is present without focal airspace consolidation . There is no pneumothorax or pleural effusion . Implanted pacemaker and leads are unchanged .
    OUTPUT:
    
Mild pulmonary vascular congestion and mild bibasilar atelectasis .