<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have intense progressive pain for the past 18 months located at the top of my sternum the joint which is swollen, I also have the same pain in my second rib from where it attaches to my sternum and I feel the pain all the way in my back, which is limiting my strength in my right arm. I have been lots of research the past 1.5 year... my symptoms fits Gorham Disease, but its so rare. what can it be? Thanks  <response>: hi Hope this msg finds u in good health. I have gone through your complaints and understand your concern. Frome the complaints u have mentioned u might have some sort of Costco Chat Doctor. .which indicates swelling of Sterno rib joint.and it generally takes a lot of time to heal.I suggest u get a ct scan of chest to rule out any other cause. Nothing to worry about. Hope your question has been answered. If u have any follow-up queries, feel free to consult me anytime thanks Take care god bless 