Meniscus tear repair. Posterior root-?

One doctor was sujjested "remove of tear pieces through arthroscopy already PT had some OA is there,but not replacement needed now,in this age repair is not good in my opinion " One doctor was suggested "arthroscopic discoid meniscus balancing+repair+chondroplasty One more doctor was suggested online through mri report advices "Go PRP" Which is better than all these IMPRESSION: Previous reports available: No Tendionopathy changes of the ACL as described above. Medial meniscus: *Horizontal tear involving the body of the medial meniscus *Grade 2 c signal abnormality changes of posterior horn of medial meniscus. *Mild irregularites seen at the attachement site of posterior root- ? partial root tear; with partial extrusion of medial meniscus Grade II injury (Partial tear) of the medial collateral ligament. Mild edema of the medial patellar retinaculum Horizontal tear involving the anterior horn and anterior root of the lateral meniscus Stage II focal oseto-chondral injury involv