Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Opacities at the right lung base are compatible with chronic scarring , unchanged from priors . Elsewhere , the lungs are clear . There is no effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality identified .
    OUTPUT:
    
No acute cardiopulmonary process .