Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been placement of a left - sided pacemaker with single lead in the right ventricle . No hardware related complications are seen . Heart size is normal . There is some atelectasis in the right upper lobe . No focal consolidation , pleural effusions , or pulmonary edema is seen . There are no pneumothoraces .
    OUTPUT:
    
New left - sided pacemaker placement without acute cardiopulmonary process .