Colon cancer - Symptoms and causes - Mayo Clinic
2023年7月27日 · Colon cancer is a growth of cells that begins in a part of the large intestine called the colon. The colon is the first and longest part of the large intestine. The large intestine is the last part of the digestive system.
Colon polyps - Symptoms and causes - Mayo Clinic
A colon polyp is a small clump of cells that forms on the lining of the colon. Most colon polyps are harmless. But over time, some colon polyps can develop into colon cancer. Colon cancer can be fatal when found in its later stages. Anyone can develop colon polyps. You're at higher risk if you are 50 or older, are overweight or are a smoker.
Colon cancer - Diagnosis and treatment - Mayo Clinic
2023年7月27日 · Colon cancer treatment usually involves surgery to remove the cancer. Your health care team might recommend other treatments, such as radiation therapy and chemotherapy. Your treatment options depend on the cancer's location and its stage.
Dear Mayo Clinic: Should I be concerned about colon polyps?
2022年6月8日 · Polyps are one of the key culprits in colon cancer. Most people with polyps may not experience any symptoms. It's important to have regular screening tests, such as a colonoscopy.
Colon polyps - Diagnosis and treatment - Mayo Clinic
Most of the colon is not seen with this screening test, so some polyps and cancers may not be found. Stool-based tests. These tests check for blood in the stool or assess your stool DNA for evidence of a colon polyp or cancer.
Carcinoid tumors - Symptoms and causes - Mayo Clinic
2022年12月6日 · Carcinoid tumors, which are one subset of tumors called neuroendocrine tumors, usually begin in the digestive tract (stomach, appendix, small intestine, colon, rectum) or in the lungs. Carcinoid tumors often don't cause signs and symptoms until late in the disease.
Neuroendocrine tumors - Symptoms and causes - Mayo Clinic
2023年6月23日 · In general, neuroendocrine tumor signs and symptoms might include: Pain from a growing tumor; A growing lump you can feel under the skin; Feeling unusually tired; Losing weight without trying; Neuroendocrine tumors that produce excess hormones (functional tumors) might cause: Skin flushing; Diarrhea; Frequent urination; Increased thirst ...
Rectal cancer - Symptoms and causes - Mayo Clinic
2024年5月17日 · The rectum is the last several inches of the large intestine. It starts at the end of the final segment of the colon and ends when it reaches the short, narrow passage known as the anus. Cancer inside the rectum and cancer inside the colon are often referred to together as colorectal cancer.
Benign peripheral nerve tumor - Symptoms and causes
2022年10月19日 · A benign peripheral nerve tumor can cause symptoms if it presses on the nerve in which it is growing or on nearby nerves, blood vessels or tissues. As the tumor grows, it may be more likely to cause symptoms, but even small tumors can sometimes cause symptoms.
Small bowel cancer - Symptoms and causes - Mayo Clinic
One type of soft tissue sarcoma is a gastrointestinal stromal tumor, also known as GIST. GIST starts in special nerve cells that are found in the wall of the small bowel. Your health care team considers your type of small bowel cancer when creating a treatment plan.