Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower than on prior exam and there are uniformly distributed bilateral reticular opacities , suggestive of possible pulmonary fibrotic changes although can not exclude a superimposed interstitial pulmonary edema . Bibasilar opacities are seen , which may represent atelectasis but can not exclude pneumonia or aspiration in the right clinical setting . There is a new left retrocardiac opacity . Small bilateral pleural effusions are noted . There is no pneumothorax . The cardiomediastinal silhouette is mildly enlarged .
    OUTPUT:
    
1 . Lower lung volumes and uniformly distributed bilateral reticular opacities , suggestive of possible pulmonary fibrotic changes although can not exclude a superimposed interstitial edema . 2 . Bibasilar opacities , which may represent atelectasis but can not exclude pneumonia or aspiration in the clinical setting .