She's been back under the knife today and the vet has removed the rod. He was initially concerned by her apparent lack of use and amount of 'hopping'. He gave Three possible reasons: 1 - The bone has broken again. 2 - Infection in the break. 3 - The rod has twisted and causing discomfort. We've just been to get her and had some good news - It was the third option! He figured the end of the rod was pushing against the inside of her skin and causing discomfort. We now have to return to stage one with limited mobility, as without the rod she could easily break the bone again. She is now sat in her bed looking very docile and sleepy.