Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is moderate stable cardiomegaly . Mild enlargement of both hila , could be secondary to enlarged pulmonary arteries . Bilateral small to moderate pleural effusions , right greater than left with atelectasis of the lung bases is noted . There is mild pulmonary edema . No pneumothorax is seen .
    OUTPUT:
    
Bilateral small - to - moderate pleural effusions with bibasal atelectasis and mild edema , not significantly changed since the earlier study of ___ .