| Major Risk factors for non-cardia gastric cancer | Major risk factors for cardia cancer |
| Age | Age |
| Helicobacter pylori+++ | Male |
| Male | Tobacco smoking +/− Alcohol |
| Race | Race |
| Familial predisposition | Familial predisposition |
| Tobacco smoking | Overweight +++ |
| Overweight | ------ |
| Nitrites and nitrosamines | ------ |
| Salty and smoked food | Helicobacter pylori + |
| Low consumption of fibers and vitamin C | ------- |
| Previous gastrectomy | ------ |