Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The size of the right hydro pneumothorax is grossly unchanged since the earlier radiograph today . Known right upper lobe lung mass . There is no mediastinal shift . A tiny right pleural effusion . No right consolidation or pneumothorax .
    OUTPUT:
    
No significant interval change in the right hydro pneumothorax given the differences in the radiographic techniques .