Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Mild bibasilar atelectasis is seen without definite focal consolidation . There is no pleural effusion or evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable , likely accentuated by low lung volumes .
    OUTPUT:
    
Basilar atelectasis without definite focal consolidation . Low lung volumes , which accentuate the bronchovascular markings .