Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi upright and lateral views of the chest provided . Surgical clips project over the right lung base as on prior . There are small bilateral pleural effusions with associated lower lung atelectasis , not significantly changed from the prior exam . The cardiomediastinal silhouette appears stable . There is no overt edema . There is probable emphysema . Bony structures are intact .
    OUTPUT:
    
Small bilateral pleural effusions with lower lung atelectasis and probable background emphysema . Mild cardiomegaly .