Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slight prominence of the interstitial markings and mild hyperinflation of the lungs , suggesting mild COPD . The cardiomediastinal silhouette and hila are normal . There is slight elevation of the left hemidiaphragm , nonspecific .
    OUTPUT:
    
1 . No acute cardiothoracic process including no evidence of pneumonia . 2 . Suggestion of mild COPD .