Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . There is no pulmonary edema or focal consolidation concerning for pneumonia . There are no rib abnormalities to indicate a healed rib fracture .
    OUTPUT:
    
No acute abnormality . Rib films may be obtained for better evaluation for possible healed rib fracture , although this would not explain acute symptoms .