Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . The lungs are relatively hyperinflated , flattening of the diaphragms , which can be seen in chronic obstructive pulmonary disease . There is minimal bibasilar atelectasis / scarring . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is mild bi-apical pleural thickening . The aorta is calcified and tortuous . The cardiac silhouette is not enlarged .
    OUTPUT:
    
1 . COPD . 2 . No definite acute cardiopulmonary process .