Diarrhea or constipation can both occur. If the tumour lies close to the pylorus , near the start of the small intestine, vomitting can be frequent. Patients can suffer pain on swallowing if the tumour lies in the main body of the stomach or fundus . Nearly half of the patients seen with stomach cancer have a mass or lump that can be felt in the centre of the tummy. This is often uncomfortable or even painful when pressed.
Weight loss is often the only feature.
However, enlargement of the liver, jaundice, or enlargement of lymph nodes at the base of the neck due to tumour spread or metatases can be present. Swelling of the abdomen due to accumulation of fluid and cancer cells.