i got complete ACL 15 days back When jumping my right knee is mislanded. my age is 34 .Usually i don t play sports ( just will do threadmill, cycling ) Here is MRI findings: Large joint effusion is present with a tiny popliteal cyst medial and latel menisci intact complete tear of the proximal ACL. PCL is intact medial and lateral collateral ligaments appear intact extension mechanisam is unremarkbale articular cartilage appears to be within normal limits bone marrow edema along the lateral femoral condyle and posterior aspects of the medial and lateral tibial plateaus. minor linear signal intensity along the posterior aspect of the lateral tibial plateau may represent a minor impaction injury. bone marrow edema is also noted along the head of the fibula Impression: complete tear of the proximal ACL with associated bone brusies consistent with medial and ;lateral rotatory instability. mild osteochondral impaction injury along the posterior aspect of the lateral tibial plateau Do i need surgery ? or can i continue only physical therapy