Hi im 57 year old female with AF and Arthritis in march this year I had a gastric sleeve at kings college London ive also been vitamin D deficient ive lost nearly 5 stone going from 22stone 12 pounds to 17 stone 7 ponds im only 5 foot tall now what happening is bone pain and in my right leg up to my groin it starts in my shin and goes to the knee and then up to my groin it makes me cry as its so painful ,my knee joints are really bad with advanced arthritis