Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . The heart size is within normal limits . No typical configurational abnormality is identified . Thoracic aorta and mediastinal structures are unremarkable . The pulmonary vasculature is normal . No signs of acute or chronic parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area .
    OUTPUT:
    
No evidence of active or latent tuberculosis in lungs as seen on chest examination .