Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pectoral single lead pacemaker projects in unchanged position with the lead projecting over the right ventricle . There is no pleural effusion . There is no focal consolidation or pneumothorax . There is no pulmonary edema . Subsegmental atelectasis in the right upper lobe is slightly more prominent .
    OUTPUT:
    
1 . Unchanged position of the left pectoral single lead pacemaker . 2 . No pleural effusion . 3 . No acute cardiopulmonary process .