Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are low lung volumes , which accentuate the bronchovascular markings , particularly at the lung bases . Given this , on the lateral view , linear posterior lung base opacity suggests atelectasis / scarring . No large pleural effusion is seen . There is no definite focal consolidation . No overt pulmonary edema . The cardiac silhouette is top normal .
    OUTPUT:
    
Low lung volumes and basilar atelectasis / scarring . No definite focal consolidation .