Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . The mediastinum is not widened . The hila are unremarkable . No evidence of rib fracture . Thoracic vertebral body heights are preserved . Overall appearance of the thoracic spine on this radiograph is similar to ___ . Anterior lower cervical spine fixation hardware grossly appear intact .
    OUTPUT:
    
1 . No acute intrathoracic abnormality . 2 . No obvious rib fracture . If clinical concern is high for rib fracture , dedicated rib films could be obtained .