Proximal femoral focal deficiency.
D000077:Acetabulum / Q000002:abnormalities / Q000601:surgery; D000671:Amputation, Surgical; D001174:Arthrodesis; D005269:Femur / Q000002:abnormalities* / Q000601:surgery; D005270:Femur Head / Q000002:abnormalities* / Q000601:surgery; D006801:Humans; D007717:Knee / Q000601:surgery