Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right perihilar mass is again seen , similar in appearance . Slight prominence of the left hilum is stable . Evidence of right upper lobe emphysema is seen . There is no new focal consolidation . No pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
Again seen right perihilar mass . No findings to suggest pneumonia or pleural effusion .