HEE
한곳만 아프다면 무릎 연골에 문제가 생긴 것일 수도 있을 것 같아요 연골이 닳았을 수도 있으니 정형외과 가보세요
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One day, I suddenly started getting sick, and it only hurts on the left side, so I have trouble going down the stairs. When I press on it, the upper part doesn't hurt anymore, but the part where I kneel and touch the floor hurts a lot. I'm taking medicine, but I'm curious if anyone else has had this experience.