How common is small bowel cancer?
Although the small intestine makes up the largest part of the gastrointestinal (GI) tract, small intestine cancers are rare in the United States. In fact, they account for fewer than 1 in 10 cancers of the gastrointestinal (GI) tract, and fewer than 1 in 100 cancers overall.
Why is cancer in the small intestine rare?
The fluidity and relative sterility of small bowel contents, and rapid transit time and of the relative sterility of the small bowel itself have been suggested as possible factors contributing to this relatively low incidence.
Is cancer of the small bowel curable?
Surgery is typically the main treatment for small intestine cancer. For some people, t might be the only treatment they need. At this time, surgery is the only treatment that can cure a cancer of the small intestine.
Is small bowel cancer slow growing?
Adenocarcinomas: These cancers start in the gland cells that line the inside of the intestine. They account for about 1 in 3 small intestine cancers. Carcinoid tumors: These tumors are a type of neuroendocrine tumor (NET), and they tend to be slow growing. They are the most common type of small intestine tumor.
Where does small bowel cancer spread?
It has spread to distant lymph nodes or organs such as the liver or the peritoneum (the inner lining of the abdomen) (M1).
How many stages of small intestine cancer are there?
There are 5 stages: stage 0 (zero) and stages I through IV (1 through 4). The stage provides a common way of describing the cancer, so doctors can work together to plan the best treatments. Here are more details on each part of the TNM system for the adenocarcinoma type of small bowel cancer.
What percentage of small intestine tumors are malignant?
Malignant tumors of the small bowel are unusual and account for only 1% to 5% of all gastrointestinal tract malignancies.
Can CT scan detect small intestine cancer?
Although small intestine tumors may not always be seen well on a CT, these scans are good at showing some of the problems that these tumors can cause (like an obstruction or perforation). CT scans can also help find areas of cancer spread.
What are the symptoms of a tumor in the small intestine?
Some of the more common symptoms of small intestine cancer are:
- Pain in the belly (abdomen)
- Nausea and vomiting.
- Weight loss (without trying)
- Weakness and feeling tired (fatigue)
- Dark-colored stools (from bleeding into the intestine)
- Low red blood cell counts (anemia)
- Yellowing of the skin and eyes (jaundice)