Hi, welcome to our site. I am Dr Saumya Mittal. Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query. This is very much possible because of the trauma you have had. It may be a soft tissue injury which does heal with time. However, it is safer still to have the knee evaluated. Maybe getting an x ray or better still an mri of the knee would be helpful Do let us know the report so we can help you better I hope this helps you. Inform the reports mentioned above so i can be of help further. Best of luck. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this)