Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Cardiac silhouette size is borderline enlarged . Widening of the superior mediastinal contours due to the presence of mediastinal fat . Hilar contours are normal . Crowding of bronchovascular structures is present without pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is present . Known fractures of the right - sided ribs are better assessed on the same day CT .
    OUTPUT:
    
Low lung volumes . Known right - sided rib fractures are better assessed on the same day CT torso . No acute cardiopulmonary abnormality otherwise demonstrated .