Conversation: The conversation between human and AI assistant.
[|Human|] About a month ago I had an underground bump at the very end of my spine. I could move it around and it would hurt any certain angles and to sit. It was never crowning. It went away and now has returned but smaller and less painful. What is it? Eden
[|AI|]  Hi, Welcome to Chat Doctor .com I am Chat Doctor. Mariano Into Bruno Mascaras. I have gone through your query with diligence and would like you to know that I am here to help you. This can be sebaceous cyst or Desmond or even pseudomeningoceleHope you found the answer helpful. If you need any clarification / have doubts / have additional questions / have follow-up questions, then please do not hesitate in asking again. I will be happy to answer your questions. In the future, for continuity of care, I encourage you to contact me directly in Chat Doctor at http://bit.ly/ask