Symptoms

People with GIST may experience the following symptoms. Sometimes, people with GIST do not show any of these symptoms. Or, these symptoms may be caused by a medical condition that is not cancer. If you are concerned about a symptom on this list, please talk with your doctor. GISTs are not usually found at an early stage because they often do not cause specific symptoms. When symptoms do occur, they may be vague and can include:

• Pain or discomfort in the abdomen
  
  
• Nausea and vomiting
  
  
• Vomiting blood or having blood in the stool
  
  
• Fatigue due to anemia (low red blood cell counts)