Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hypoinflated . There is a diffuse bilateral interstitial process , worst at the right lung base . Heart size and mediastinal contours are normal . There is no large pleural effusion . No pneumothorax . Osseous structures appear intact .
    OUTPUT:
    
Diffuse interstitial process , concerning for atypical pneumonia , worst at the right lung base .