I’d like to take this chance to welcome you to Ben’s Friends Michael!
From your profile, I can see that you experienced something that seems to be common on this forum. Patients go in to understand their symptoms, and Chiari isn’t always diagnosed - it often gets missed.
Please don’t hesitate to get involved in any discussions on this forum and ask questions if you have any! This community is here for you.
Once again, welcome to Ben’s Friends Michael!