Conversation: The conversation between human and AI assistant.
[|Human|] I have a lump the width of a golf ball across the top of my butt crack causing the butt to swell closing the top of the crack, I m unable to sit stand or lay where it doesn t cause strong pains. I also have back problems so assumed at first the it was the back bone hurting at the base until the swelling occurred not I m not sure what it is...thank you.
[|AI|]  I welcome you to Chat Doctor for your health concerns am Chat Doctor, General Surgeon and I will be answering your query I have gone through your question and understood your concerns. With available information it appears to be COLONIAL SINUS. It is the most common pathology of this region with this type of presentation. It is caused by hairs entering the skin and causing swelling along with pus formation. There are different treatment options available, ranging from endoscopic to open procedures with good results. You need to see a general surgeon who will guide you further about treatment after examination. Wishing you all the best and rapid recovery. I hope my answer will help you. Do rate my answer if you like it. Regards