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Colon cancer, or cancer that begins in the lower part of the digestive tract, usually forms from a collection of benign (noncancerous) cells called an adenomatous polyp. Most of these polyps will not become malignant (cancerous), but some can slowly turn into cancer over the course of about 10-15 years.
How fast does colon cancer change stages?
But if a tumor develops into a carcinoma with the ability to metastasize, it will progress to metastasis quickly. This transformation occurs within about two years, before another mutation can develop.
Does colon cancer progress quickly?
In most cases, colon and rectal cancers grow slowly over many years. Most of those cancers start as a growth called a polyp.
Can colon cancer develop in 3 years?
Approximately 6% of colorectal cancers are diagnosed within 3 to 5 years after the patient received a colonoscopy, according to findings from a recent population-based study.
How long do colon cancer stages last?
5-year relative survival rates for colon cancer
| SEER stage | 5-year relative survival rate |
|---|---|
| Localized | 91% |
| Regional | 72% |
| Distant | 14% |
| All SEER stages combined | 64% |
Mar 1, 2022
What are the symptoms of stage 1 colon cancer?
Symptoms
- A persistent change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool.
- Rectal bleeding or blood in your stool.
- Persistent abdominal discomfort, such as cramps, gas or pain.
- A feeling that your bowel doesn't empty completely.
- Weakness or fatigue.
Is colon cancer curable at stage 1?
What Does Stage 1 Colon Cancer Entail? Key takeaways: Stage 1 colon cancer is an early-stage cancer that is curable. Removal of the cancerous tissue with surgery or during colonoscopy – without chemotherapy or radiation – is the primary treatment.
What are signs that colon cancer has spread?
Symptoms of colon cancer that has spread to specific areas Symptoms may include shortness of breath, difficulty breathing, chest pain or a persistent cough. Brain – Colon cancer that has spread to the brain may result in headaches, confusion, memory loss or blurred vision.
Where does colon cancer hurt?
If there are symptoms, the following may indicate colon cancer: Abdominal pain and tenderness in the lower abdomen. Blood in the stool. Diarrhea, constipation, or other change in bowel habits.
What is the most common age to get colon cancer?
Age. The risk of colorectal cancer increases as people get older. Colorectal cancer can occur in young adults and teenagers, but the majority of colorectal cancers occur in people older than 50. For colon cancer, the average age at the time of diagnosis for men is 68 and for women is 72.
