Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild increase in interstitial markings bilaterally is similar as compared to the prior study , chronic . No new focal consolidation is seen . No pleural effusion or pneumothorax is seen . The aorta remain slightly tortuous and calcified . The cardiac silhouette is not enlarged . There is mild bibasilar atelectasis .
    OUTPUT:
    
No acute cardiopulmonary process .