Ключевые слова: abdomen, abdominal, ache, aching, adult, appendicitis, background, belly, bellyache, bloating, bowel, colon, diarrhea, disease, food, gastric, gastrointestinal, gut, hand, health, holding, illness, indigestion, inflammation, liver, male, man, medical, medicine, nausea, pain, painful, person, poisoning, problem, sick, stairs, stomach, stomachache, surgery, upset,