Many common factors are associated with the risk of developing stomach cancer. Some of these include:

• Age over 50
• Male gender
• History of chronic stomach infection with Helicobacter pylori
• Asian/Pacific Islander, Hispanic-American or African-American heritage
• Heavy consumption of smoked, salted and pickled foods
• Cigarette smoking
• Extreme obesity
• Previous stomach surgery
• Pernicious anemia
• Menetrier disease leading to atrophic gastritis
• Hereditary nonpolyposis colorectal cancer
• Familial adenomatous polyposis
• Family history of stomach cancer