Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates no pneumothorax . Post procedural change is noted in the right upper lobe lesion which is better characterized on recent CT of the chest . Otherwise , the cardiac and mediastinal contours are normal and the lungs are clear . No pleural abnormality is detected .
    OUTPUT:
    
Status post transbronchial biopsy of right upper lobe with no evidence of a pneumothorax .