Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear right basilar opacities and hazy opacity at the right lung base correlate with chronic changes on prior CT scan . Elsewhere , the lungs are grossly clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified . Surgical clips project over the upper abdomen .
    OUTPUT:
    
No definite acute cardiopulmonary process .