Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ : 50 , I doubt significant interval change . Again seen are sternotomy wires , including a fractured uppermost sternotomy wire , and mediastinal clips . The cardiomediastinal silhouette is unchanged . There is upper zone redistribution , but no other evidence for CHF . There is minimal linear atelectasis and / or scarring at the left lung base , unchanged . No focal opacity to suggest pneumonia . No frank consolidation or effusion . No pneumothorax detected . Right - sided central line tip overlies the distal SVC , similar to the prior film .
    OUTPUT:
    
1 . No significant change compared with ___ . 2 . No focal opacity to suggest pneumonia . 3 . Fractured upper most sternotomy wire noted .