Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ line is unchanged . Sternal wires are again seen . The previously described pneumopericardium is no longer visualized . The lungs are clear without infiltrate . There is a small right pleural effusion , similar in size compared to prior . The left effusion is smaller . The heart continues to be mildly enlarged .
    OUTPUT:
    
Resolution of pneumopericardium .