Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , there is no pleural effusion or pneumothorax . The heart size is normal . The mediastinal silhouette is unremarkable . There is no airspace consolidation . Slight irregularity of the anterior aspect of the fifth and sixth ribs is suggestive of possible fracture . Overlying hyperdensity may represent a soft tissue hematoma .
    OUTPUT:
    
Possible left fifth and sixth rib fractures . Better evaluation may be performed with a dedicated rib series .