<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi. I fell on my knee playing basketball earlier. Now i have a bruised, lump right below my knee cap. I ve had the lump for months now due to the same problem. Only difference is, this time it s really painful. Bending my knee is what causes the most pain  <response>: Hi, dairy have gone through your question. I can understand your concern. You have history of injuries. So you may have some inflammatory swelling. You should take anti-inflammatory plus analgesic Chat Doctor. If it doesnt respond to treatment then you should go for MRI of knee. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. 