Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest was obtained with patient in semi-upright position . The heart size is normal . No configurational abnormality is identified . Normal appearance of thoracic aorta with some calcium deposits in the wall at the level of the arch . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present . In the left hilar area , there are two small surgical clips indicative of previous intervention . There is no pneumothorax in the apical area .
    OUTPUT:
    
No pneumothorax in patient recently undergoing bronchoscopy and intra-bronchial biopsy .