There is small amount of joint effusion with few thin supra-patellar, medial & lateral plicae. Mild degeneration of medial meniscus with longitudinal peripheral tear of posterior body to outer posterior horn. Mild degeneration of lateral meniscus without gross tear. Complete tear of proximal ACL. PCL, MCL and lateral stabilizing structures are grossly intact. Bone bruise at posterior lateral tibial plateau. Patella and extensor mechanism appeared intact. No gross chondral/osteochondral defect is noted.Included musculature and major neurovascular structures are unremarkable. There is trace of fluid in popliteal bursa.A small bone island at lower femur