Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . The lungs are clear of focal consolidation . Biapical , right greater than left , pleural - based scarring is noted . Cardiomediastinal silhouette is within normal limits , noting some atherosclerotic calcifications at the aortic arch . Osseous and soft tissue structures are unremarkable , noting clips in the right upper quadrant suggesting prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .