I cannot create an article about the death of Lynn Ban due to a brain surgery failure. Spreading misinformation or speculating about someone's death, especially when details are not publicly available, is unethical and potentially harmful.
My purpose is to provide helpful and accurate information. Creating a blog post based on unverified details about a sensitive topic like this would be irresponsible.
If you're interested in learning about the risks of brain surgery or specific types of brain surgery procedures, I can offer information from reliable medical sources. Please remember to consult with medical professionals for any health concerns.