Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right - sided pacemaker . There is pulmonary vascular congestion , without interstitial edema . The heart is mild - to - moderately enlarged , decreased compared to the prior study . The mediastinal contours are normal . There is minimal bibasilar atelectasis . There is no pneumothorax . No definite pleural effusions are seen .
    OUTPUT:
    
1 . Pulmonary vascular congestion , without interstitial edema . 2 . Mild - to - moderate cardiomegaly , decreased compared to the prior study from ___ .