Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , there is no significant change . Lung volumes are continued to be low . Left basal atelectasis is unchanged . Small bilateral pleural effusions are unchanged . Upper lungs are mostly clear . Mild cardiomegaly is unchanged . No pneumothorax . Right large or catheter terminates in low SVC , unchanged . Left single chamber pacer is unchanged position .
    OUTPUT:
    
Small bilateral pleural effusion . No pulmonary edema .