👉 Histoblast is a type of cancer that occurs in the lining of the stomach, which is called the esophagus. It's also known as gastroesophageal reflux disease (GERD). This condition causes acid to flow back up into the stomach instead of being absorbed and digested by the food we eat. Histoblasts are cells that produce chemicals that help regulate the pH balance in the stomach, but they can become inflamed or damaged if they do not work properly. If
