Evidence suggests that diets high in calcium , folic acid and fiber act as chemopreventive agents, reducing the risk of colorectal cancer. Other drugs are being tested as chemopreventive agents against colon cancer including urosodiol, a bile acid used in the prevention and treatment of gallstones. Esophageal Esophageal cancer is relatively rare in the United States. It is more common in men than in women. The most common presenting symptom is difficulty swallowing.
Early detection is often difficult because the symptoms are often vague.
They include weakness, fatigue, decreased appetite, indigestion, abdominal pain and bloating. The detection of blood in the stool may indicate a gastric cancer, but can also be caused by many other things. People with continuous gastric symptoms should seek medical attention. Pancreatic Pancreatic cancer is more common among males than females, with the peak incidence occurring at 60 years of age. The cause is not known.