Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Surgical chain sutures and surgical clips are seen in the right upper lobe as well as chain sutures in the right middle lobe consistent with resection . Lung volumes are low . Bibasilar opacities are suggestive of atelectasis . There is a new left pleural effusion . There are multiple pleural calcifications identified . There are no acute osseous abnormalities . Posterior fusion hardware of the thoracic spine is grossly intact , but not fully evuated by this study .
    OUTPUT:
    
New left pleural effusion and bibasilar atelectasis . CT scan could be considered for further evaluation of new pleural effusion etiology .