Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to recent exams , there has been no significant interval change . The ground - glass opacities in the upper lobes bilaterally seen on prior chest CT are seen as vague upper lobe parenchymal opacities . Compared to prior chest x-ray they have not significantly changed . Possible trace bilateral pleural effusions persist . There is a moderate hiatal hernia . Cardiomediastinal silhouette is stable . Median sternotomy wires again noted . Thoracic compression deformities are unchanged .
    OUTPUT:
    
No significant interval change of bilateral upper lobe opacities concerning for pneumonia .