I don't like having operations but this is a simple procedure. Just do one at a time they are cruel as they make you walk within hours after the operation but you will be fine in no time. it took me about 3 weeks before I was comfortable to do walking and a little jogging. Once the one is ok then do the other and you will be like new. It was the best thing I ever did. I am not sure if the cartilage issues would even show on the x ray as my specialist said let us take a look without x rays.