Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly increased interstitial markings at the right lung base correspond with previously seen mild fibrotic changes on previous CT of the abdomen pelvis . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .