Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is post left upper lobectomy with associated elevation of left hemidiaphragm , similar to before . Parenchymal scarring in bilateral lungs are similar to before . There is no consolidation , pneumothorax , or pleural effusion . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
No radiographic evidence of pneumonia .