Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is elevation of the right hemidiaphragm as on prior . Focal left basilar opacity posteriorly is grossly unchanged given differences in technique compared to prior CT scan . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified . Surgical clips seen in the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary process .