Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left - sided pacemaker with leads terminating in the right ventricle and right atrium in expected and unchanged positioning . Given slightly low lung volumes , there are no focal consolidations which are concerning for pneumonia . There is mild pulmonary vascular congestion with cephalization of the vessels but no frank pulmonary edema . There is no large pleural effusion , but small left pleural effusion would be difficult to exclude . The cardiac size is top normal . No pneumothorax is identified .
    OUTPUT:
    
Continued mild pulmonary vascular congestion without frank edema . No evidence of pneumonia .