In end stage type, they may appear as an exophytic mass.
What is the underlying disease process involved in the development of urethral cancer?
<|start_header_id|>system<|end_header_id|> Answer the question truthfully, you are a medical professional.<|eot_id|><|start_header_id|>user<|end_header_id|> This is the question: What is the underlying disease process involved in the development of urethral cancer?<|eot_id|><|start_header_id|>assistant<|end_header_id|> In end stage type, they may appear as an exophytic mass.<|eot_id|>