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Colon cancer, also known as colorectal cancer, is often called a “silent killer” — and for good reason. In its early stages, it can grow slowly and quietly, showing little to no noticeable symptoms. By the time signs appear, the disease may already be in an advanced stage. Understanding how long colon cancer can remain silent is key to early detection and, ultimately, saving lives.
A Slow-Growing Threat
Colon canc3r typically develops over several years. It often starts as small, noncancerous growths called polyps on the inner lining of the colon or rectum. These polyps can remain harmless for a long time but may eventually turn canc3rous. During this process — which can take 10 to 15 years — a person may feel perfectly fine.
That’s what makes colon canc3r so dangerous. Unlike other diseases that cause pain, fever, or sudden changes, early-stage colon cancer often has no obvious symptoms at all. Many people go about their daily lives unaware that something serious is happening inside their bodies.
Why It Stays Hidden
The colon is a large organ, and small tumors may not block it or irritate it enough to cause discomfort at first. Even when the cancer starts growing, early symptoms like mild abdominal cramps or occasional constipation can be mistaken for common digestive issues. This can delay diagnosis until the cancer has grown larger or spread to other parts of the body.
Some people don’t notice anything until the cancer is in Stage 2 or 3, when signs like blood in the stool, unexplained weight loss, or persistent fatigue become more obvious. In Stage 4, the cancer has already spread — and treatment becomes much more difficult.
Who Is Most at Risk?
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