Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are relatively low lung volumes and bibasilar atelectasis . Slight bibasilar opacities likely relate to atelectasis , although an evolving consolidation is not excluded in the appropriate clinical setting . No large pleural effusion or pneumothorax . The aorta is calcified . The cardiac silhouette is top normal . Old right posterior lateral fifth rib fracture is again seen .
    OUTPUT:
    
Low lung volumes with bibasilar opacities likely representing atelectasis . Evolving consolidation not excluded in the appropriate clinical setting .