Review Question - QID 214545

A 34-year-old active high-school football coach presents with chronic right medial knee pain that worsens with prolonged standing. He shares that he underwent a right knee arthroscopic procedure several years ago but is unable to recall any further details regarding the indication and operative findings. He has trialed multiple sessions of rest, physical therapy, and three corticosteroid injections. Knee examination is unremarkable except for medial joint line tenderness. Plain radiographs and MRI scans are depicted in Figures A through D. He wishes to remain active and asks whether he would be a candidate for isolated meniscus allograft transplantation. You advise against an isolated meniscal allograft transplantation for him because: