When too much fibrous tissue grows in the retroperitoneal area, which is the region between the stomach and intestines, it results in retroperitoneal fibrosis, also known as Ormond’s disease.
Peptic ulcers are open sores that evolve within the lining of the stomach and small intestine. This occurs when acidic digestive juices etch away the protective mucus layer of the digestive tract.
Acute gastroenteritis is the inflammation of the gastrointestinal tract, stomach and intestines. It can also be referred to as a diarrhoeal disease of rapid onset with or without symptoms or signs.