I am a 26 yrs old Male, felt from the scooter on the knee with huge weight of the scooter along with one guy sitting in back…..Now, 23 days have been passed I am on cylinder cast. DOctor told to get the MRI done. Report is attached for your reference. Can you please help me in getting the available treatment options & recovery time required

MRI LEFT KNEE

PROTOCOLS : Sagittal  :  PD & TSE-T2W pulse sequences. Coronal :  T1WSE & STIR pulse sequences. Axial : TSET2W pulse sequence.
Findings:

ACL is edematous and its course is replaced by illdefined hyperintensities. Intercondylar soft tissue edema noted. PCL shows buckling but normal in attachments. Anterior tibial translation noted.
Collateral ligaments are normal.
Tibio-femoral joint spaces are maintained with intact articular cartilages.
Fluid is seen in supra-patellar bursa extending to the knee joint recesses. Patellar and quadriceps tendon are normal.
Horizontal grade III signal noted in posterior horn and body of medial meniscus. Anterior horn is normal. Lateral meniscus is normal.
 
Visualized bones show contusion.Changes of synovitis seen.
Visualized muscles are normal in bulk and signal intensity.
Impression: MR imaging reveals joint effusion with :
* complete ACL tear.Changes of synovitis 
* Horizontal tear of posterior horn and body of medial meniscus.