Small intestine cancer occurs when abnormal cells grow in the tissues of the small bowel, the long tube that connects your ...

Ampullary cancer is a rare form of cancer that develops in the ampulla of Vater. This is a small opening located on the duodenum, which is the first section of the small intestine. Secretions from the ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

The gut microbiome is an important ecosystem of microbes that lives in each one of us, and its strength affects our overall health. However, the small intestine is an underappreciated part of the gut ...

Medically reviewed by Qin Rao, MD Symptoms of GI bleeding include stomach pain, vomiting blood, or having black, tarry ...

Everyone has bacteria in their gut. They play a key part in digestion. But these bacteria live mostly in your large intestine, or colon, not your small intestine. When too many of the wrong kind of ...

Small intestine lymphoma occurs when non-Hodgkin’s lymphoma affects the small intestine. It can cause abdominal pain, weight loss, and fever. Treatment involves chemotherapy, surgery, or radiation ...