Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the radiograph from ___ , there is increased in irregular opacities in mid lungs , right worse than left , likely reflecting widespread peribronchial infiltration . Superimposed infection is also possible . The lower lobes appear are clear on today 's exam . No pleural effusion or pneumothorax is seen . The heart size is normal .
    OUTPUT:
    
Mild progression of peribronchial infiltration . Superimposed infection is also possible .