Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are extremely low . Platelike opacities in the right lower lobe are suggestive of atelectasis . Aeration of the left lung base is improved from ___ with mild opacity remaining . Mediastinal contours , hila , and cardiac silhouette are stable from ___ . There is no pneumothorax or pleural effusion . Levoscoliosis of the lumbar spine is stable from ___ .
    OUTPUT:
    
Bibasilar opacities most likely represent atelectasis however in the right clinical setting pneumonia could be considered .