Hi doctor, I have had first larger and dark lesion that is bump behind my left knee, since I do not know when, but it certainly not since birth. I noticed it before two to three year and from that time the lesion is the same and has no pain. Now, there is this another small lesion have appeared on the left leg and thigh. When I lay on my side, It is a kind of makes my left leg ache. Kindly let me know if I should panic.
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