Category Nuances for stomach_pain:

• common,
• diverse,
• acute,
• gastrointestinal,
• physical,
• persistent,
• new,
• unpleasant,
• adverse,
• abdominal,
• psychosomatic,
• somatic,
• gi,
• subtle,
• painful,
• abnormal,
• serious,
• intestinal,
• natural,
• internal,
• digestive,
• gastric,

Simple Categories for stomach_pain:

• event,
• symptom,
• cause,
• sensation,
• stimulus,
• pain,