Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slight increase in interstitial markings may be due to minimal interstitial edema . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The aorta is calcified and tortuous . The cardiac silhouette is top normal - to - mildly enlarged . The bones are diffusely osteopenic .
    OUTPUT:
    
Possible minimal interstitial edema . Otherwise , no acute cardiopulmonary process .