Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior examination , there has been no relevant interval change . Again , surgical clips are noted overlying the thoracic inlet at the level of the thyroid . There is no evidence of lobar consolidation , large pleural effusion , or pneumothorax . Slight obscuration of the left costophrenic angle is likely secondary to overlying soft tissue . Descending thoracic aortic calcifications are noted . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .