Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Long volumes are low . The heart is normal in size and cardiomediastinal contour is stable . Linear bibasilar opacities are consistent with atelectasis . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Low lung volumes and mild bibasilar atelectasis .