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What are the symptoms of small intestine cancer?

You may experience a number of symptoms with small intestine cancer. If you have adenocarcinoma (the most common type of small intestine cancer), blood from surrounding areas may seep into your intestines, causing blood to appear during bowel movements. With any type of small intestine cancer, the tumor may grow large enough to block the small intestines, causing abdominal pain and vomiting; you may also notice a lump in your midsection. Because your digestion is disrupted, preventing essential nutrients from being absorbed by your body, you may lose weight.

Dr. Jill K. Onesti, MD
Surgical Oncologist

Small intestine cancer often does not cause symptoms until has grown large enough to block the intestines. If this happens, you would notice it by having abdominal pain. This pain may start off as cramps, especially after eating. If the blockage progresses to become a complete blockage, you will be unable to pass gas or stool and will develop vomiting. Carcinoid tumors may also cause additional symptoms known as carcinoid syndrome: episodic diarrhea, flushing (red face) and difficulty breathing.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.