Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded except on lateral view were images obtained during expiration . Bilateral lower lobe increased opacities likely due to overlying soft tissue . Increased opacity overlying the lower spine is noted . Mediastinal contours , hila , and cardiac silhouette are normal . No pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . Opacity overlying the spine likely due to atelectasis .