Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the ___ examination , there has been interval removal of a right - sided PICC . The heart size is top normal . The hilar and mediastinal contours are within normal limits . There is central pulmonary vascular congestion with mild interstitial edema , slightly worse since the ___ exam . Moderate bibasilar atelectasis is again seen , with resolution of a left basilar opacity from the prior study . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Moderate bibasilar atelectasis superimposed on central pulmonary vascular congestion and mild interstitial edema .