Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , accounting for vascular crowding . A band - like opacity across the right lower lung field is compatible with atelectasis . No defintie new focal opacities are identified . There is no pleural effusion or pneumothorax . Cardiomediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Low lung volumes with no definite acute cardiopulmonary process .