Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate to large right - sided pleural effusion is not significantly increased from ___ . As before , a chest tube terminates at the base of the right lung . There is a small left - sided pleural effusion . Opacity at the base of the left lung appears minimally increased from the prior examination which may reflect atelectasis or consolidation . There is atelectasis at the base of the right lung , likely due to a compression from the adjacent pleural effusion . No pulmonary edema . Cardiomegaly is stable .
    OUTPUT:
    
Moderate to large right - sided effusion is stable . Small left effusion with adjacent pulmonary opacity which may reflect atelectasis or infection .