The MR KNEE OR TIBFIB, LEFT, UNENHANCED report SUMMARY: There is soft tissue edema deep to the iliotibial band and show miner proximal thickening suggestive of iliotibial band friction syndrome. Diffuse myxoid degeneration of both menisci. Also a horizontal cleavage tear of the lateral meniscus involving the anterior horn, body and posterior horn, with a vertical component in the body extending to the superior articular surface. Tiny parameniscal cysts are noted within the lateral gutter of the knee. My both knee have sound when straight it. Left knee swelling, hot in May this year. I am age 60, female, weight 128 lb, Chinese, 5 feet tall. It happen after lot of biking, Tai Chi but not much warm up before exercise since January. Before is normal life and not much exercise. Now my left lower limb still sore, mild pain when walking or bike longer time, feel tire after short distance walking, mild left knee pain when downstairs. Painful site is outer lateral inner side just below knee. Apply METHYL SALICYLATE OINTMENT can help. Is operation on the menisci need to do as soon as possible? How to made the tear stop tearing more? I go not take good rest in May. In June I start knee physiotherapy to increase upper leg muscle hope to support knee. Now, what to do?