So for about the last 4-5 months now, I've been having some knee issues. I have been having some pain/discomfort in my left knee. It is mainly towards the inside center (near the bump), and feels like it's just a bit under the kneecap. It really only bothers me when I run, and not always. I really seem to become aware of it on uphills & downhills. It's not a lot of pain, so I haven't really thought a lot about it, but it's been a while now, and it's still here.
Any ideas as to what it is, and should I be concerned?