Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear basilar opacities appear similar compared to prior , particularly within the lingular region , findings consistent with scarring . Findings correlate with concurrent chest CT , please see report for details . No confluent consolidation is evident . There is no pneumothorax . No vascular congestion , overt edema , or large pleural effusions are identified . A prosthetic aortic valve is in unchanged standard position . Median sternotomy wires appear grossly intact on this single frontal view . Cardiomediastinal and hilar contours appear within normal limits .
    OUTPUT:
    
Basilar scarring without new confluent consolidation or edema . Please see concurrent chest CT report for further details .