Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . There are low lung volumes that accentuate the bronchovascular markings . Subtle bibasilar opacities likely are due to atelectasis in the setting of low lung volumes . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top normal , likely accentuated by AP technique and low lung volumes . Mediastinal contours are unremarkable .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings . Subtle basilar opacities likely relate to atelectasis in the setting of low lung volumes .