 He denies having any difficulties with his left knee prior to the injury of June 13, 2002.,DIAGNOSTIC STUDIES: , August 2, 2002, MRI of the left knee showed low-grade chondromalacia of the left patellofemoral joint space and a posterior horn tear of the medial meniscus, likely degenerative in nature, and also grade II to III chondromalacia of the medial joint space. 
He denies having any difficulties with his left knee prior to the injury of June 13 , 2002.,DIAGNOSTIC STUDIES : , August 2 , 2002 , MRI of the left knee showed low - grade chondromalacia of the left patellofemoral joint space and a posterior horn tear of the medial meniscus , likely degenerative in nature , and also grade II to III chondromalacia of the medial joint space .