Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A vagal stimulator device overlies the left chest wall . Evaluation of the lung parenchyma is limited secondary to overlying soft tissue attenuation due to patient body habitus . Lung volumes are low . No obvious consolidation is identified . There is no pulmonary edema or large pleural effusions . The lateral view is extremely limited due to patient 's arm - down position . There is no pneumothorax . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Limited examination due to patient body habitus and positioning , though no obvious acute cardiopulmonary process .