Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , portable . The right middle lobe opacity has resolved . The lungs are clear . An unfolded aortic configuration is again noted . The hilar and cardiac contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
The right middle lobe opacity has resolved and the lungs are now clear .