Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . The lungs are mildly hyperinflated , otherwise no focal consolidations concerning for pneumonia are identified . Irregularity of the posterior ___ right rib is likely secondary to a prior trauma . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .