Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slight blunting of the posterior left costophrenic angle and a trace pleural effusion versus pleural thickening may be present . No focal consolidation is seen . There is no pneumothorax . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable .
    OUTPUT:
    
Slight blunting of the left costophrenic angle , trace pleural effusion versus pleural thickening / scarring . No focal consolidation .