Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with bibasilar atelectasis . Retrocardiac opacity with air bronchogram projects over the spine is concerning for pneumonia . Increased opacity obscuring the right heart border may represent atelectasis or pneumonia . Small bilateral pleural effusions are new since ___ .
    OUTPUT:
    
1 . Left lower lobe and right middle lobe consolidations concerning for aspiration pneumonia , less likely atelectasis . 2 . Small bilateral pleural effusions are new since ___ .