Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left PICC line remains in unchanged position in the upper SVC . The enlarged cardiomediastinal silhouette is unchanged . There has been interval improvement in bibasilar atelectasis . There are residual small bilateral pleural effusions . No pneumothorax is present .
    OUTPUT:
    
Left PICC line in unchanged position in the upper SVC . Stable enlargement of the cardiac silhouette and mediastinal widening .