Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been no significant interval change . Streaky opacities seen throughout the right lung and at the left lung base are similar compared to prior . There is no pleural effusion . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
Streaky opacities throughout the right lung and left lung base . This finding is similar compared to prior and could be in part due to atelectasis and / or scarring although infection is difficult to exclude .