Conversation: The conversation between human and AI assistant.
[|Human|] A few months ago I fell down the stairs and hit my lowerback/buttock. It bruised almost instantly and a lump was formed that has remained after the bruise. The pain went away a week after the fall but now months later it is back. It hurts to sit at times and when I touch it. What can I do to fix it?
[|AI|]  Hi this is Chat Doctor. Thanks for providing the opportunity to help you. As from your history it looks to me that you had a hematoma(localized blood clot) after the fall injury which has formed an abscess (pus). As it is symptomatic and hurting you should get a USG done over the affected area to find out whether there is an abscess over your affected area. If the USG shows an abscess then you have to do a CBC to see if the total count is elevated and if so how much.USG will give idea about the size, volume and nature of swelling. IF it is an abscess then Incision and