Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate minimal interval change since the prior study . There continues to be a moderate right subpulmonic effusion and minimal left pleural effusion with continued elevation of the right hemidiaphragm . Bibasilar atelectasis is also seen . Otherwise , the lungs are clear . The cardiac and mediastinal contours are unchanged . Aortic valve is again seen and intact median sternotomy wires are noted . No pneumothorax .
    OUTPUT:
    
Minimal interval change in moderate - to - large right and small left pleural effusions .