Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is normal . Mediastinal and hilar contours are unchanged with continued widening of the mediastinum . The pulmonary vasculature is normal . Elevation of the right hemidiaphragm persists with a small right pleural effusion again noted . Patchy bibasilar opacities likely reflect atelectasis . No pneumothorax is identified . Fiducial markers are seen within the right upper quadrant of the abdomen .
    OUTPUT:
    
Bibasilar patchy opacities , likely atelectasis , with chronic elevation of the right hemidiaphragm and small right pleural effusion .