Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views the chest were provided . Acute mildly displaced fractures of the left sixth and seventh lateral arch noted . No pneumothorax or effusion . No focal consolidation or edema . Cardiomediastinal silhouette is normal .
    OUTPUT:
    
Acute fractures of the left sixth and seventh rib , along the lateral arch . No pneumothorax or effusion .