Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant change from the prior radiograph . Again seen is mild prominence of the interstitium with a linear opacity in the right mid lung zone , which may represent scarring as seen previously . There is no focal consolidation , pleural effusion or pneumothorax . Elevation of the right hemidiaphragm is unchanged from multiple prior studies . A moderate - sized hiatal hernia and air in the esophagus are noted . The cardiomediastinal silhouette is stable . Bones are intact . Again seen is a compression deformity of L1 vertebral body .
    OUTPUT:
    
No significant change in the prior study and no acute process .