Stomach cancer is cancer that starts anywhere inside the stomach or the stomach wall.
It’s also called gastric cancer.
The type of stomach cancer a person has depends on the type of cell it starts in.
It is not known what causes most stomach cancers, but there are some factors that may increase your risk of developing it.
Risk factors such as gender, age, diet, smoking and being overweight could all increase a person’s risk.
Noticing this unusual symptom in your stools could be an early warning of the deadly disease.
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