Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate an area of opacification in the right mid lung , corresponding to resolving right middle lobe process . The left lung is clear . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Area of opacification in the right mid lung corresponds to resolving right middle lobe process .