Barrett's esophagus is caused by repeated, long-term exposure of the esophagus to stomach acid. The condition can sometimes lead to cancer.
Carcinoid tumors sometimes secrete chemicals that cause the signs and symptoms of carcinoid syndrome. Carcinoid tumors are rare. Carcinoid syndrome is even rarer.
Carcinoid tumors are rare, slow-growing cancerous tumors that most often occur in the gastrointestinal tract or in the lungs.
When kidney cancer is diagnosed and treated early, the chances for recovery are better.
The risk of liver cancer may be reduced by protecting yourself from serious liver diseases such as cirrhosis and hepatitis B and C.
In Zollinger-Ellison syndrome, tumors in the pancreas or duodenum secrete a hormone called gastrin that leads to excessive stomach acid and ulcers.
Nov. 17, 2011