Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size at the upper limits of normal . No interstitial edema . No pleural effusions . No airspace consolidation . Unfolding of the thoracic aorta . Spondylotic changes of the thoracic spine . No hilar adenopathy .
    OUTPUT:
    
No radiographic features of active or latent pulmonary TB .