Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slight blunting of the posterior costophrenic angles may be due to trace pleural effusions . No focal consolidation or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . No displaced fracture is seen .
    OUTPUT:
    
Slight blunting of the posterior costophrenic angles may represent trace pleural effusions .