Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate hyperinflated lungs with flattening of bilateral diaphragms consistent with patient 's known history of COPD . When compared to chest radiograph dated ___ , there is redemonstration of left lower lobe scarring and atelectasis and persistent peribronchial increased density concerning for infectious process . There is no pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are unchanged with note made of of tortuous descending aorta .
    OUTPUT:
    
Left lower lobe persistent peribronchial opacification concerning for peristent infectious process . These findings were communicated to the ordering physician via ___ clinical portal .