Conversation: The conversation between human and AI assistant.
[|Human|] Two weeks ago I took a fall on the steps and received a huge hematoma and lump on my upper left butt.  While the bruising is finally going away, the lump is not going away.  I had it looked at and x-rayed a week or so ago and nothing was broken.  The lump is painful and noticeable through my clothing.  Do you think I should seek medical attention again?
[|AI|]  Hello! Thank you for the query. The lump you have described is most likely a blood accumulation (hematoma). Due to veins rupture, the blood appears outside the blood vessels. Small hematomas can go away by theirs own. However, most of the needs to be Chat Doctor.  Otherwise, it will get infected and turn into abscess. Please consult a surgeon. Have an ultrasound of this area and if its blood collection, should be