yes, ive have severe chronic pain in sternum area which it associates itself with the bloating, gassy pain im having on my left flank area. it feels like a gi blockage , also like i have a over abunance of air (gas) just floating around that specific area and i find if i do stretches, bends, popping of joints or ? i release a surge of air, either thru belchig, sneezing, gas or just a burs t of air out my lungs and through my mouth