Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is severe emphysema . Heterogeneous opacity at the right lung base , could be aspiration . At the lateral aspect of the left lung , there is an area of increased opacity which could relate to pleural thickening . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Heterogeneous opacity at the right lung base could be aspiration . Increased opacity at the lateral aspect of the left lung , could relate to pleural thickening . Further evaluation with lateral and oblique views is recommended . Findings discussed with Dr . ___ by ___ via telephone on ___ at 10 :00 AM .