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[|Human|] i have a hard mass under the skin that seems to be on my bone on my leg under the knee for over 6 months md said it looks like i hit my leg into something pretty hard (this may be true but i do not recall) if it hurts or turns red to go to an orthopedic dr to get checked and my cardioligist said it doesn t look like anything to worry about but that it does appear to be on the bone. should i worry or continue to basically ignore it?
[|AI|]  Hi, Welcome with your query to Chat Doctor virtual Clinic. I reviewed all the details of your query. Based on the facts of your query, the cause of the hard lump seems to be-PrePatellar Bursitis(Housemaids Knee)/or it could be Fibrosis Hematoma, formed due to hard hit, as you don't deny having hard hit. As I don't have direct information and as you haven't yet shown to any doctor except your cardiologist, I would suggest taking Second Opinion from your Orthopedic Surgeon/ or General Surgeon. He would investigate /check and treat it accordingly. Hope this reply would help you to plan treatment with your doctors and resolve your worries. Will appreciate writing excellent review and feedback comments to help the needy patient visitors like you at Chat Doctor. Welcome any further query and information in this regard. Contact at My Chat Doctor Clinic, with direct Premium question for further suggestions if need be. Good Day!! Chat Doctor. N. Senior Surgical Specialist. S. Genl-CVTS