Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prominent interstitial markings are again seen , not significantly changed . There is no overt pulmonary edema . There is no pleural effusion . Cardiomediastinal silhouette is stable . Coronary artery calcifications and / or stents are noted . Chronic compression deformity in the lower thoracic spine .
    OUTPUT:
    
Unchanged increased interstitial markings most likely due to chronic interstitial process although component of interstitial edema is possible .