Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . There is slight blunting of the posterior left costophrenic angle which may be due to a trace pleural effusion versus pleural thickening . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Slight blunting of posterior left costophrenic angle may be due to a trace pleural effusion versus pleural thickening . No focal consolidation .