I had hip reconstructive surgery taking it 2 titanium bars and a screw in my femur? All replaced with full hip replacement a short titanium bar held to ,yfrmur with a zip tie my leg lenghthed about 1. 2 inches. Am N rehab but now experiencing pain on the outside f my knee on that same left leg surgery included repair of the femur, mrepair of muscles and tendons. Why, after 5 months am I having pain outside the f my knee