Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hypoinflated . There is no pleural effusion , pneumothorax or focal airspace consolidation . Streaky opacities are seen at the left lung base . Heart is mildly enlarged but unchanged . Mediastinal and hilar contours are unremarkable . Note is made of surgical hardware in the cervical spine .
    OUTPUT:
    
Streaky opacities the left lung base are likely atelectasis , however , infection is not excluded .