Occasionally when eating rice I will get a pain in the center of my chest almost feels like my esophagus has collapsed (though I doubt that it actually is) normally it will pass after a few seconds. Last night is was practically unbearable and caused me to bring up my rice (and only the rice everything else I ate previously did not reappear). It did not feel like it came up from my stomach. Instantly after the pain was gone. This ONLY happens when I eat rice and doesn t seem to matter what kind but it does occur more frequently with white rice.