Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest demonstrates no acute cardiopulmonary process . Cardiomediastinal , pleural and pulmonary structures are unremarkable . A right - sided pacemaker with leads terminating in the right atrium , right ventricle is again noted . Median sternotomy wires are unchanged . No pleural effusion or pneumothorax . Degenerative changes of the cervical spine , left acromioclavicular and left glenohumeral joint are noted .
    OUTPUT:
    
No acute cardiopulmonary process .