Cancerous (malignant) tumors in the small intestine are very uncommon, occurring in about 9,000 people in the United States each year. Adenocarcinoma is the most common type of cancer of the small intestine. Adenocarcinomas develop in the glandular cells of the lining of the small intestine. People with Crohn disease of the small intestine are more likely than others to develop adenocarcinoma.
Test Overview. A brain natriuretic peptide (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. Normally, only a low amount of BNP is found in your blood.
Bnp actually stands for brain natriuretic peptide, but it was named many years ago we have since learned that it actually comes from the heart and can be used to see how much stretch (strain) there is on the heart - usually this stretch is due to the heart not being able to keep up with the amount of blood it needs to pump.