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Colon cancer - Symptoms and causes - Mayo Clinic
Dec 19, 2024 · Finding and removing polyps helps prevent colon cancer. If colon cancer develops, many treatments can help control it. Treatments include surgery, radiation therapy and medicines, such as chemotherapy, targeted therapy and immunotherapy. Colon cancer is sometimes called colorectal cancer.
Colon cancer screening: Weighing the options - Mayo Clinic
Jan 22, 2025 · The stool DNA test uses a sample of your stool to look for DNA changes in cells that might indicate the presence of colon cancer or precancerous conditions. The stool DNA test also looks for signs of blood in your stool.
Stool DNA test - Mayo Clinic
Apr 25, 2024 · Stool DNA testing is used to screen for colon cancer in people with no symptoms. It also screens for growths of cells, called polyps, that could one day become cancer. The stool DNA test looks for DNA changes and small amounts of blood shed into the stool.
Colon cancer - Diagnosis and treatment - Mayo Clinic
Dec 19, 2024 · Tests and procedures used for colon cancer diagnosis include: Using a scope to examine the inside of the colon. Colonoscopy uses a long, flexible and slender tube attached to a video camera and monitor to view the whole colon and rectum. A doctor may pass surgical tools through the tube to take tissue samples and remove polyps.
You’re at risk of colorectal cancer. Know the symptoms. Get …
Mar 19, 2024 · Most colorectal polyps do not cause symptoms, so you may have polyps without knowing it. This is why beginning colorectal cancer screening at the recommended age of 45 is critical. Screening reduces the risk of cancer by identifying polyps in the colon and rectum that could develop into cancer.
Rectal cancer - Symptoms and causes - Mayo Clinic
Dec 19, 2024 · Cancer inside the rectum and cancer inside the colon are often referred to together as colorectal cancer. While rectal and colon cancers are similar in many ways, their treatments are quite different.
Narrow stools: Should I be concerned? - Mayo Clinic
Jan 11, 2024 · But in some cases, narrow stools — especially if pencil thin — may be a sign that the colon is narrowing or has a blockage. And that could be due to colon cancer. Irritable bowel syndrome (IBS) also may cause changes in the size of your stools.
Colon polyps - Symptoms and causes - Mayo Clinic
If the polyps aren't treated, your risk of developing colon cancer is nearly 100%, usually before age 40. Genetic testing can help determine your risk of FAP . Gardner syndrome, a variant of FAP that causes polyps to develop throughout your colon and small intestine.
Mayo researchers study stool to unlock microbiome’s role in …
Nov 12, 2024 · At Mayo Clinic’s Center for Individualized Medicine, scientists are investigating stool samples to uncover new insights into cancer treatment. Often seen as waste, stool may provide valuable information about the microbiome — a complex ecosystem of microorganisms, including bacteria, fungi and viruses in the gut.
Fecal occult blood test - Mayo Clinic
Jul 12, 2024 · A fecal occult blood test is one option for colon cancer screening in people who don't have any symptoms. Occult blood in the stool may be a sign of cancer or polyps in the colon or rectum. Polyps are growths of cells that aren't cancers but could become cancers.