Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no new lung consolidation . Elevation of right hemidiaphragm could be due to prior eventration or phrenic nerve palsy . This is unchanged since ___ . To differentiate between these two , a real - time exam could be done . Mediastinal and cardiac contours are normal . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
There is no evidence of pneumonia .