Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lower lobe right greater than left hazy opacities are visualize that are similar in extent compared to the CT from the prior day that showed ground - glass opacities in these regions . The upper lungs are relatively clear . There is no pleural effusion or pneumothorax
    OUTPUT:
    
As mentioned on the CT , the bilateral lower lobe ground - glass opacities could be due to the either an infectious infiltrate or hypersensitivity pneumonitis . Clinical correlation and followup are recommended