Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Lung volumes are very low . The heart size and cardiomediastinal contours appear normal . Small right lung base linear opacity is consistent with atelectasis . No focal consolidation , substantial pleural effusion , or pneumothorax .
    OUTPUT:
    
Very low lung volumes with right base atelectasis . No focal consolidation .