Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is probable background hyperinflation , sugesting COPD . The heart is not enlarged . The aorta is calcified and unfolded . The mediastinal and hilar contours are otherwise unremarkable . Bibasilar atelectasis . There is no CHF or focal consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Bibasilar atelectasis . No definite infiltrate . If there is high suspicion for a pneumonic infiltrate , then a lateral view could help for further assessment .