Conversation: The conversation between human and AI assistant.
[|Human|] I fell down the stairs about a week and a half ago, I fell on my butt with my butt hitting three to four stairs on the way down quite hard.  I had a big black bruise, but now it is almost gone leaving a hard bump where it was.  What is this and do I need to be seen?
[|AI|]  Hi, Dear thanks for the query to Chat Doctor virtual clinic. I studied your query in full details updated from you. I understood your health concernsBased on your query data, In my opinion, Dear You seem to suffer from Fibrosis Hematoma of the butt, due to the butt trauma from fall from staircase. The big bruise you had was due to the post-traumatic hematoma from fall. Hope this reply would help you to evaluate your case and treat it with your doctors in time to come.hope this would resolve your query and worry and Anxiety accompanied by it. Welcome for any further query in this regard to ME. I would love to help you out.Awaiting any further query. Wish you fast recovery from this intriguing health problem. Have a Good Day. Chat Doctor. N.M.S. Genl-CVTS -Senior Surgical Consultant