Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Top - normal size of the heart is unchanged . The mediastinal and hilar contours are similar . Previous pattern of interstitial pulmonary edema has slightly improved from the previous study . Aeration within the right lung base has also improved , potentially reflective of improving atelectasis . Small bilateral pleural effusions are re- demonstrated , decreased in size on the right and similar in size on the left . There is no pneumothorax . Compression deformities of several upper lumbar vertebral bodies are unchanged from CT from ___ .
    OUTPUT:
    
Mild interstitial pulmonary edema has improved as well as aeration within the right lower lobe likely reflective of atelectasis . Decreased size of small right pleural effusion and relatively unchanged small left pleural effusion .