man suffers from abdominal pain due to stomach problems and needs help of gastroenterologist

disease belly stomach digestion pain man gastritis indigestion stomachache heartburn food medicine male sick exhausted suffering pancreas patient gastric intestines gas acid gastrointestinal tract reflux gerd bloating anatomy abdomen infection system organ symptom gaster ache unhealthy guy colitis nutrition problem nausea health treatment gastroenterologist human vector illustration person isolated concept