Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffusely increased interstitial markings are likely secondary to the patient is emphysema . The hilar and cardiomediastinal contours are normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Diffusely increased interstitial markings secondary to emphysema . No evidence of pneumonia or decompensated congestive heart failure .