Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Complete opacification of the entire left lung associated with left tracheal deviation , post - pneumonectomy findings which have remained stable . There is no significant change in appearance of the right lung , with no areas of focal consolidation or pneumothorax . The SVC filter is again seen . No acute osseous abnormalities .
    OUTPUT:
    
No significant chance since prior radiograph .