Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Blunting of the right costophrenic angle may be due to a trace pleural effusion . There is no left - sided pleural effusion . No focal consolidation is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Trace right pleural effusion .