Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . Left - sided pacemaker defibrillator device is unchanged . No focal consolidation , effusion , edema , or pneumothorax . Mild left basilar atelectasis . Moderate cardiomegaly is unchanged . Aortic knob mild calcifications are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .