Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged but unchanged . Mediastinal and hilar contours are normal . Pulmonary vasculature is not engorged . Lung volumes are low without focal consolidation . Patchy opacities in the lung bases likely reflect areas of atelectasis . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with patchy opacities in lung bases likely reflective of atelectasis . No focal consolidation .