<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been experiencing back pain, stiffness all over, hot flashes, and theres a lump or mass in my leg. Additionally, my leg feels weakness as well.  <response>: Based on your symptoms, it is highly likely that you have a bone disorder. We will need to run some tests to determine the exact type and severity of the disorder. 