<s>[INST] I ve had pain in my back, about the center of it, but over to the left. It seems to be near the rib cage or at the bottom of it. I ve had it for about 2 to 3 months and it can throb to being a sharp pain sometimes and there are times when I don t notice it. Not sure if I did something to cause it and I keep aggravating it. Also on the left side of my stomach, near my belly button I ve noticed the skin feels a little numb. Any thoughts? Thank you, Don [/INST] Hello, I have studied your case. There is possibility of nerve compression in thoracic spine leading to rib pain. I will advise you to do HRCT [CHEST] and EMG- CV [nerve conduction study] and PET Stanford these symptoms analgesic and neurotrophic medication can be started. Till time, avoid lifting weights, you can consult physiotherapist for help. Physiotherapy like ultrasound and inferential therapy will give quick relief. I will advise checking your it B12 and it D3 level. I will advise consulting orthopedic surgeon for clinical examination and further investigation. Hope this helps. Wish you a speedy recovery.  Take care </s>