Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes without definite focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Hilar contours are stable .
    OUTPUT:
    
Low lung volumes without focal consolidation or evidence of pneumothorax . No significant interval change from the prior study .