Where is colon cancer usually located?

Where is the most common site for colon cancer?

The sigmoid colon is the most common site for cancer of the colon. Rectal carcinoma is the most common cancer of the lower gastrointestinal tract. One of the determining factors for preservation of the anus is how close the tumor is to the sphincter.

Which is the most common presenting symptom of colon cancer?

In patients younger than 50 years old—an age group that is experiencing rising rates of colorectal cancer (see Overview/Epidemiology)—a study that used data from England’s Clinical Practice Research Datalink found that abdominal pain was the most common presenting symptom of colorectal cancer.

How do I know if I had colon cancer?

Blood in the stool that is either bright red, black or tarry. Unintentional weight loss. Stools that are narrower than usual. Diarrhea, constipation, or feeling that the bowel does not empty completely.

At what stage does colon cancer show symptoms?

Colorectal cancer symptoms may be minor or non-existent during the early stages of the disease, although there may be some early warning signs. The symptoms of colorectal cancer may not develop until the disease has progressed into stage 2 or beyond.

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How long can you live with untreated colon cancer?

The results showed the median survival of patients to be 24 months (range 16–42). One-year survival was found to be 65% while the 2-year survival was found to be 25%.

Can you have colon cancer for years and not know it?

Colon cancer is typically slow-growing, starting as a benign polyp that eventually becomes malignant. This process may occur over many years without producing any symptoms. Once colon cancer has developed, it may still be years before it is detected.

Is there pain with colon cancer?

Abdominal Cramps

Colon cancer occurs in the large intestine, which can affect bowel habits. This change in bowel habits can lead to cramping, bloating and abdominal pain and could be an indicator of colon cancer.