Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . There is linear opacity at the right lung apex . There is also superior retration of the right hilum . Overall , findings are suggestive of scarring . The lungs are otherwise clear without evidence of consolidation or effusion . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are essentially unremarkable . There is a well - corticated contour irregularity of the anterior , superior aspect of the right second rib , potentially related to prior trauma .
    OUTPUT:
    
No acute cardiopulmonary process .