Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC terminates at the mid SVC . The heart is mildly enlarged . Again seen is central pulmonary vascular congestion and mild interstitial edema , which has improved since ___ . Moderate bilateral pleural effusions appear unchanged . There is no pneumothorax or new consolidation .
    OUTPUT:
    
1 . Interval improvement of central pulmonary vascular congestion and mild interstitial edema . Unchanged moderate bilateral pleural effusions . 2 . Right PICC terminating within the mid SVC .