Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal and hilar contours are normal . Again are seen diffuse areas of ground - glass opacities are similar to slightly improved in extent from prior exam . There is no large pleural effusion or pneumothorax . No pulmonary consolidation is present .
    OUTPUT:
    
Diffuse ground - glass opacities with minimal improvement after diuresis most compatible with either an atypical infection or inflammatory process .