Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is mild prominence of the interstitial markings without confluent consolidation or effusion . The cardiac silhouette is moderately enlarged . Atherosclerotic calcifications are seen at the aortic arch . The ascending thoracic aorta is tortuous . No acute osseous abnormality is identified .
    OUTPUT:
    
Mildly prominent interstitial markings , potentially due to chronic interstitial process or mild interstitial edema . Moderate cardiomegaly . No evidence of confluent consolidation .