Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is prominence of the interstitial markings without focal consolidation or effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities . Posterior lumbar fixation hardware is partially visualized .
    OUTPUT:
    
No focal consolidation . Increased interstitial markings , unchanged , potentially due to chronic interstitial abnormality . Atypical infection or edema are possible .