Now deep within the worm's belly, Slime - san has to face a decision: Be digested by the incoming wall of stomach acid... Or jump, slide and slime his way through the worms intestines and back out its mouth! (indiemegabooth.com)
Chronic inflammation of the stomach resulting in the formation of large coiled ridges in the inner wall of the stomach (wagwalking.com)
The first holds that chiles produce excess stomach acid, which eats holes in the wall of the stomach and duodenum. (fieryfoodscentral.com)