Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Given lower inspiratory effort and portable technique on the current exam , there has been no significant interval change . Blunting of the left costophrenic angles likely due to atelectasis . There is no large confluent consolidation or pulmonary vascular congestion . The cardiomediastinal silhouette is unchanged . Single lead pacing device is again seen .
    OUTPUT:
    
No significant change given differences in technique .