Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . Compared to the most recent prior study of ___ , lung volumes have improved and persistent bilateral lower lung opacities , greater on the left than on the left represent atelectasis or pneumonia . Moderate cardiomegaly , left atrial enlargement and aortic calcifications are unchanged .
    OUTPUT:
    
1 . Bilateral lower lung opacities , greater on the left than on the right , represent atelectasis or pneumonia . 2 . Moderate cardiomegaly and left atrial enlargement are unchanged . Findings were placed on the critical results dashboard at 5 :06 PM by Dr . ___ ___ .