Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since chest radiographs dated ___ , no significant changes are appreciated . Bilateral interstitial opacities are unchanged since ___ , but have shown marked , progressive worsening since ___ . There are no focal consolidations or pulmonary effusions . Port catheter tip terminates in the lower SVC . Median sternotomy wires are midline and intact .
    OUTPUT:
    
No evidence of pneumonia or other acute cardiopulmonary abnormalities . Chest radiograph grossly unchanged since ___ .