Category Nuances for stomach_pain:

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

Simple Categories for stomach_pain:

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