I am 61 yrs old ,,, and I have always been around 110 to 118 lbs since 4yrs ago with operation of my both hanche I have lost in my breast size and gained in my tummy like I am 7 mths pregnant and feeling most of the time ,,,, bloated ,,,not very good ,,, and my left lower back is like at times as if a knife is going from the back to the front ,,, very painful ,,, what can it be ,,,, my physician is not a general DR. he is a surgical hip specialist ,,,,