Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Streaky bibasilar airspace opacities are compatible with areas of atelectasis . There are trace bilateral pleural effusions noted posteriorly on the lateral view . No pneumothorax is identified . The patient is status post T11 through L1 posterior fusion with intervertebral fusion devices at T11 / ___ and T12 / L1 . Radiopaque embolization material is also demonstrated about the T12 vertebral body .
    OUTPUT:
    
Bibasilar atelectasis with small bilateral pleural effusions .