Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Lungs and pleural surfaces are clear . No acute , displaced rib fractures evident on this chest radiograph examination .
    OUTPUT:
    
No radiographic evidence of pneumonia , pleural effusion , or obvious rib fracture . If strong clinical suspicion for rib fracture persists , dedicated rib films may be considered with marker at site of point tenderness .