Many times the radiologist
is using medical terminology that has meaning to other physicians, but may be hard for the patient to comprehend. Stress changes can be detected by bone scan (the test that you had performed). When our bones undergo remodeling from increased stress, this creates "hot spots" on the bone scan. The stress changes can be minor along the lines of "shin splints" or major along the lines of stress fracture
. There is a grading system that can be applied to the images. Short of knowing the grade applied or seeing the images myself, I cannot tell you how severe your "stress related changes" are. However, I would assume there is NO frank fracture if the term fracture was not used in your report. If you need more clarification, your ordering doctor may be able to help, especially after consulting with the reading radiologist.
Wish you good health,,,