Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . No focal consolidation is seen . There is trace blunting of the right costophrenic angle , which may be due to a trace pleural effusion . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Patient is status post median sternotomy and CABG .
    OUTPUT:
    
Trace blunting of the right costophrenic angle may be due to a trace effusion . No focal consolidation .