Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pneumothorax or pleural effusion . Stable 2 cm nodule in the left upper lobe . Mild biapical pleural thickening . Hyperinflated lungs with flattening of the diaphragm . Unchanged bilateral coarse interstitial markings again suggest chronic pulmonary disease . Heart size is normal . No pneumothorax or pleural effusion .
    OUTPUT:
    
No visualized pneumothorax post biopsy .