Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . Cardiac silhouette size is moderately enlarged , accentuated by the presence of low lung volumes . Mediastinal and hilar contours are unremarkable . Crowding of the bronchovascular structures is present without pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is seen . There is mild atelectasis at the lung bases . Moderate hypertrophic changes are seen within the thoracic spine .
    OUTPUT:
    
Low lung volumes without focal consolidation .