Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Streaky and linear opacities in the lung bases likely reflect areas of atelectasis . Lung volumes are low . Multiple calcified nodules in the right mid and upper lung fields likely reflect granulomas . No focal consolidation , pleural effusion pneumothorax is demonstrated . No acute osseous abnormality is seen .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis .