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Images of two arthroscopy procedures performed in the right knee of a 57-year-old woman. a The first arthroscopy performed during the osteotomy showed cartilage lesions with an ICRS grade of 2 on the femoral trochlea. b The second-look arthroscopy was performed during implant removal at 25 months postoperatively and showed that there was no significant degeneration in the femoral trochlear cartilage
