Cancer
Colon Cancer
About Colon Cancer
Colon cancer, also known as colorectal cancer, begins in the large intestine (colon) or the rectum. It typically develops from small, noncancerous clumps of cells called polyps that form on the inside of the colon.
Common Symptoms
- Changes in bowel habits, such as diarrhea, constipation, or a change in the consistency of stool
- Rectal bleeding or blood in the stool
- Persistent abdominal discomfort, such as cramps, gas, or pain
- A feeling that the bowel doesn't empty completely
- Weakness or fatigue
- Unexplained weight loss
Diagnosis
Diagnosis commonly involves screening tests such as a colonoscopy, which allows a doctor to view the inside of the colon and remove polyps or tissue samples for analysis. Other methods may include stool-based tests, blood tests, and imaging scans to determine the extent of the cancer.
Causes
The exact cause of colon cancer is often not clear, but it is understood to occur when healthy cells in the colon develop errors in their DNA. These errors can lead to cells growing uncontrollably. Risk factors may include older age, a personal or family history of colon polyps or cancer, certain inherited syndromes, and lifestyle factors such as diet and obesity.
Treatment Overview
Treatment approaches for colon cancer are varied and may depend on the stage of the cancer and the individual's overall health. Conventional treatments often include surgery to remove the cancerous part of the colon, chemotherapy, radiation therapy, and targeted drug therapy. Some individuals may also explore complementary approaches, such as dietary changes or acupuncture, typically alongside conventional care to help manage symptoms or improve well-being.
Prognosis & Outlook
The prognosis for colon cancer can vary significantly depending on factors such as the stage of the cancer at diagnosis, its location, and the individual's overall health. Earlier detection and intervention are often associated with better outcomes. Regular follow-up care is typically recommended to monitor for recurrence.
Types & Variants
Adenocarcinoma
The vast majority of colon cancers are adenocarcinomas. These cancers start in the cells that make mucus to lubricate the inside of the colon and rectum.
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