Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal cardiomediastinal shadow . No airspace consolidation . No suspicious pulmonary nodules or masses . No pulmonary edema . No pleural effusions . Spondylotic changes of the thoracic spine . No hyperinflation .
    OUTPUT:
    
No interval change . No chest x-ray findings explaining the patient 's shortness of breath .