acid stomach burn gastritis icon. gerd acidity stomach reflux heartburn ache

esophageal disease gastro heartburn icon abstract vector food baby heart infographic concept fire smoke line juice body cancer pregnancy flame pain anatomy abdomen system human gas stomach inflammation acid problem digestive indigestion gastric gastrointestinal esophagus gastritis inflamed acidity endoscopy irritation gerd ache burn gastroesophageal peptic reflux symptomatic tract tummy