Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is accentuated as a result and appears borderline enlarged . Mediastinal and hilar contours are normal . Crowding of bronchovascular structures is present without overt pulmonary edema . Mild patchy atelectasis is seen in the lung bases without focal consolidation . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities present . No subdiaphragmatic free air is identified .
    OUTPUT:
    
Low lung volumes without acute cardiopulmonary abnormality . No subdiaphragmatic free air .