Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided chest tube appears unchanged in position at the right lung base . The heart is mildly enlarged . There is no focal consolidation or pulmonary edema . Small right pleural effusion is unchanged compared to the prior study from ___ . Small left pleural effusion may be slightly improved . Increased bibasilar opacities consistent with atelectasis .
    OUTPUT:
    
Small bilateral pleural effusions significantly changed on the right , may be slightly decreased on the left . Bibasilar atelectasis persists .