All patients receiving cryopreserved meniscus transplants will be followed at 1, 2, 5, 10, and 15 years postoperatively. Study examination will include comprehensive knee examination by Dr. Noyes, x-rays, and potentially MRI. Patients will complete the following forms of the Cincinnati Knee Rating System: Symptom Rating Form, Sports Activity and Function Form, and Occupational Rating Form. All patient identification will be kept confidential. Patient data will be entered into the Knee Registry database according to their unique study number by the clinical research assistant.