Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Peripheral opacity at the right mid lung laterally is identified . The margins of the adjacent right fourth rib laterally are not clearly delineated and could be focally eroded . There is eventration of the right hemidiaphragm . There is no effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . Tortuosity of the descending thoracic aorta .
    OUTPUT:
    
Focal opacity at the lateral aspect of the right lung . Associated right lateral fourth rib appears focally eroded and could be related therefore chest CT is suggested to further assess for underlying mass . Otherwise , no acute cardiopulmonary process .