Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Status post transbronchial biopsy . No visible pneumothorax . Minimal opacity in the right upper lobe related to known pulmonary nodule and some post biopsy hemorrhage . Low lung volumes accentuate the cardiomediastinal and hilar contours . No substantial pleural effusions . Widening of the right paratracheal stripe is chronic .
    OUTPUT:
    
No pneumothorax post biopsy .