Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate unchanged position of left PICC with tip terminating in the mid-to - low SVC . Small bilateral pleural effusions are smaller since the most recent prior study . Associated bibasilar atelectasis on the right greater than the left which has improved substantially . No focal consolidation concerning for pneumonia or pneumothorax is detected . The cardiac silhouette is mildly enlarged but stable from the prior study . The mediastinal and hilar contours are normal . The visualized upper abdomen demonstrates a drain in the left upper quadrant but no pneumoperitoneum .
    OUTPUT:
    
No pneumonia . No pneumoperitoneum or pneumomediastinum .