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(A) Radiographs with varus stress with the knee flexed at 20°, showing lateral femorotibial opening measurements of 1.38 cm on the right side and 1.53 cm on the left side. (B) Radiographs with valgus stress with the knee flexed at 20°, showing a 1.60-cm medial femorotibial opening in the right knee and 0.87-cm medial femorotibial opening in the left knee.
