Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided dual lead pacemaker is in stable , appropriate position . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Right and left lower lobe opacities ( left greater than right ) are concerning for infection . There may be a small left pleural effusion . No pneumothorax is seen .
    OUTPUT:
    
Bilateral lower lobe opacities , concerning for multifocal pneumonia . Element of interstitial edema is present , re-assess after diuresis .