Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size remains moderately enlarged with a somewhat globular configuration as seen previously . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . A small right pleural effusion is demonstrated along with patchy opacities the lung bases , likely atelectasis . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Small right pleural effusion and bibasilar atelectasis .