Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . The heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . There is minimal atelectasis within the right lung base . No focal consolidation , pleural effusion or pneumothorax is seen . Mild pleural parenchymal scarring is noted at the apices . There are no acute osseous abnormalities . Partially imaged is cervical spinal fusion hardware .
    OUTPUT:
    
Mild right basilar atelectasis .