Colon cancer – Early signs, causes, and diagnosis

Colon cancer – Early signs, causes, and diagnosis

Colon or colorectal cancer begins in the colon—the longest part of the large intestine. Along with the rectum, the colon makes up the lower end of the digestive system. Cancer in this region is the third most common form of the condition, with the American Cancer Society suggesting that 1 in 23 men and 1 in 25 women are at risk of developing the disease. Here, recognizing the signs can help one seek timely treatment. 

Early signs
The early stages of colon cancer rarely cause visible symptoms. However, one may experience some of these early signs for about a year or two before they get a diagnosis.

Abdominal pain: Pain is a common cancer symptom. With colon cancer, one may observe tenderness in the lower abdomen as well.

Rectal bleeding: One may observe bright, red blood in the stool and persistent diarrhea as early signs of colon cancer.

Anemia: Colon cancer causes inflammation and blood loss, which results in iron deficiency, leading to anemia.

As the cancer progresses, one may start to experience some of the following symptoms, usually observable between stages 0 and 2:

Changes in bowel habits: Constipation and diarrhea are common early signs of the condition. Cancer in the colon can affect the frequency of bowel movements.

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