Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right pectoral pacemaker with pacer leads in the right atrium and right ventricle . Increased atelectasis in the right lower lobe with associated volume loss . Stable left base opacity likely atelectasis . Cardio mediastinal silhouette is unchanged . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Increased atelectasis in the right lower lobe with stable left base atelectasis . No evidence of pneumonia or pulmonary edema .