Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Left basilar opacity seen laterally compatible scarring as seen on prior CT . Elsewhere the lungs are clear without effusion or pneumothorax . The cardiac silhouette is moderately enlarged . Dual lead pacing device again seen . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .