Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate unchanged right pleural effusion with adjacent atelectasis . Chronic interstitial prominence may reflect chronic interstitial disease , or pulmonary edema . A fiducial in the left upper lobe with adjacent opacity is unchanged . The heart remains moderately enlarged . Median sternotomy wires are unchanged .
    OUTPUT:
    
1 . Interstitial abnormality which may be chronic or reflect mild edema . A right pleural effusion is unchanged from ___ . 2 . Fiducial marker in the left upper lobe with adjacent opacity is not significantly changed from ___ .