Masses in the abdomen are often described by their location. The abdomen is divided into four sections called quadrants. An abdominal mass may occur in the right upper quadrant, left upper ...

Medically reviewed by Qin Rao, MD Abdominal pain is considered chronic if it lasts for more than three months. The pain may ...

The stomach, which is located in the abdomen between the oesophagus and the duodenum, is composed of four parts: the cardia, fundus, body and pylorus. It is responsible for food digestion and ...