Fatigue
Bloating
Feeling full after eating small
Loss of appetite
Bloody stools
Long-term stomach inflammation
Pernicious anemia
Stomach polyps
Lymphoma (a group of blood cancers)
H. pylori bacterial infections
Tumors in other parts of the digestive system
Obesity
Prolong inactivity
History of alcoholism
Intake high in salty and smoked foods
A diet with low fruits and vegetables and high meat
Eat food which is not properly stored or cooked
Oncologist
Radiation Oncologist
Gastroenterologist
General Surgeon