Stomach Cancer: Symptoms

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Early stomach cancer often does not cause symptoms. As the cancer grows, the most common symptoms are:

  • Abdominal pain
  • Dark stools
  • Difficulty swallowing, particularly difficulty that increases over time
  • Excessive belching
  • General decline in health
  • Loss of appetite
  • Nausea and vomiting
  • Premature abdominal fullness after meals
  • Unintentional weight loss
  • Vague abdominal fullness
  • Vomiting blood
  • Weakness or fatigue

Most often, these symptoms are not due to cancer. Other health problems, such as an ulcer or infection, can cause the same symptoms. Anyone who has these symptoms should tell their doctor so that problems can be diagnosed and treated as early as possible.