Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Post right pneumonectomy changes are stable . Compensatory hyperinflation of the left lung . No left pulmonary airspace consolidation or nodules . No edema . No pleural effusion . Mild apical pleural thickening . No sinister bony lesions .
    OUTPUT:
    
No features of pneumonia or a new pulmonary mass . Stable post right pneumonectomy changes .