Knee valgus is a kind of concave lateral deformity composed of femur and tibia when both lower limbs are straight. Therefore, bilateral genu valgus is also called "X" leg. When a patient with genu valgus walks, his knees touch each other, which is also called knee touching disease.
Adult valgus is often the sequela caused by epiphyseal injury or infection, polio, spastic cerebral palsy, rickets or knee fracture. By contrast, have you ever had these diseases? It shows that most of these deformities have a clear history, and most of them are unilateral valgus. But you didn't mention anything about it in your article.
Therefore, I suspect that your epiphysis was damaged in adolescence and the epiphysis grew asymmetrically. Of course, this is only my personal suspicion. Professional doctors are needed for diagnosis and examination.
The doctor's examination method for this kind of patients is: when your lower limbs are straight and close together, your knees touch and your ankles are apart (ankles are not close together), and the distance between your ankles indicates the degree of valgus.
For the treatment of "X" leg, if there is only deformity without soft tissue changes, varus osteotomy can be used to correct the deformity. As for the result, because I haven't seen the patient (I don't know the degree of clinical illness) and I'm too old to say.
I think it's good that you also look for relevant information online. But the most important thing is that you can find a professional doctor with experience in this field.