Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral chest radiographdemonstrates a left - sided pacemaker with intact single lead terminating in the right ventricle . The lungs are well expanded . Linear scarring in the right upper lobe with apparent associated bronchiectasis appears unchanged Mild right upper lobe atelectasis is noted . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumonia or pleural effusion .