Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Lung volumes are low . Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Linear bibasilar airspace opacities are in keeping with subsegmental atelectasis . No focal consolidation or pleural effusion is demonstrated . Mild loss of height of the T12 vertebral body is unchanged with mild degenerative changes within the imaged thoracic spine noted . Minimal deformity of the right eighth lateral rib is suggestive of a nondisplaced fracture .
    OUTPUT:
    
1 . Subsegmental bibasilar atelectasis . No acute cardiopulmonary abnormality otherwise demonstrated . 2 . Minimal deformity of the right eighth lateral rib suggestive of a nondisplaced fracture , and clinical correlation with site of tenderness is recommended .