Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable AP radiograph of the chest demonstrates interval improvement in the mild pulmonary edema . The upper mediastinum is less widened , suggesting reduction in central venous pressure . The heart size is still minimally enlarged , but less so than on the prior study . There is no pneumothorax . There is chronic atelectasis of the left lower lobe of the lung with possible small effusion at this location . The endotracheal tube terminates no less than 2 cm above the carina . An orogastric tube can be seen coursing into the stomach and inferiorly out of the field of view . A right PICC terminates in the low SVC .
    OUTPUT:
    
Interval improvement in decompensated congestive heart failure compared to yesterday .