Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ central venous catheter terminates at the superior cavoatrial junction . Sternotomy wires are stable in configuration with fractures of the upper two wires . A right basilar chest tube remains in place . Slightly increased relative lucency at the medial right base may be due to a tiny residual anterior pneumothorax . Prominent interstitial markings particularly in the periphery and at the bases are compatible with the known interstitial abnormality . The right pleural effusion has resolved .
    OUTPUT:
    
Slightly increased lucency at the medial right base may be due to a tiny residual anterior pneumothorax . No other significant interval change .