Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right chest wall pacemaker and leads are unchanged . Median sternotomy wires are intact . There has been interval thoracentesis on the right with no residual pleural fluid . The lungs are clear , and there is no pneumothorax . Residual atelectasis is seen at the right base . The cardiac size is top normal , although likely due to AP technique .
    OUTPUT:
    
Interval right thoracentesis with dramatic improvement and no residual right pleural effusion . Clear lungs .