Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is no significant change . Again seen is a linear opacity in the right mid lung adjacent to the right hilum , similar to radiographs on ___ , and likely representing linear atelectasis or scarring . There is no new focal consolidation . There is no vascular congestion or edema . There is no pleural effusion a pneumothorax . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No evidence of pneumonia or pulmonary edema .