Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is spinal fusion hardware , right - sided Port - A - Cath with tip terminating in the mid to distal SVC , and postsurgical ___ overlying the mediastinum . The mediastinum is largely obscured by hardware . Partially visualized heart appears unchanged in size . Lung volumes are low . Pleural based mass at the level of the right mid lung as well as extensive bony lesions better appreciated on most recent CT of the chest . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
The mediastinum and lungs are largely obscured by hardware . Within these limitations , there is little change .