Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with 1 day earlier and allowing for technical differences , I doubt significant interval change . Probable background hyperinflation . Mild cardiomegaly . Upper zone redistribution , without overt CHF . Minimal bibasilar atelectasis , but no focal consolidation . No gross effusion . On today 's examination , the left hemidiaphragm is slightly elevated . Incidental note is made of advanced glenohumeral osteoarthritis on both sides and multiple loose bodies in the left shoulder joint .
    OUTPUT:
    
Doubt significant interval change compared with 1 day earlier . Upper zone redistribution , without other evidence for CHF . Bibasilar atelectasis .