Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are within normal limits . The pulmonary vascularity is normal . There is no focal consolidation , pleural effusion or pneumothorax present . Minimal linear opacity in the left lung base likely reflects atelectasis . Partially imaged is cervical spinal fusion hardware . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .