Can you be asymptomatic with colon cancer?
2–6 Both polyps and early-stage cancers are usually asymptomatic. Compared with these lesions, cancers that have grown large enough to cause symptoms have a much worse prognosis. This contrast highlights the need for screening in asymptomatic persons.
What percentage of colon cancer is asymptomatic?
About 75 percent of all new cases of colorectal cancer occur in individuals with no known risk factors for the disease.
How long does it take for colon cancer to get to stage 4?
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.
What is the biggest risk for colon cancer?
In fact, the links between diet, weight, and exercise and colorectal cancer risk are some of the strongest for any type of cancer.
- Being overweight or obese. …
- Not being physically active. …
- Certain types of diets. …
- Smoking. …
- Alcohol use. …
- Being older. …
- A personal history of colorectal polyps or colorectal cancer.
Can you have advanced colon cancer with no symptoms?
Emina Huang, assistant professor of surgery at the University of Michigan Medical School. More than half of people diagnosed with colon cancer have no symptoms. Symptoms such as a change in stool, rectal bleeding, abdominal pain and unexplained weight loss can all signal colon cancer.
Can colon cancer return after 4 years?
For most people, colorectal cancer doesn’t come back, or “recur.” But in about 35% to 40% of people who get surgery with or without chemotherapy, the cancer may come back within 3 to 5 years of treatment. If this happens, it could be in the colon or rectum, or in another part of the body, such as the liver and lungs.
Is colon cancer likely to return?
Colorectal cancer recurrence within five years after treatment ends is in the range of 7 to 42 percent, depending on the stage of the cancer. The risk of cancer recurrence is understandably a common source of worry and anxiety for many who have had this cancer.
Can you live 10 years with stage 4 colon cancer?
Stage IV colon cancer has a relative 5-year survival rate of about 14%. This means that about 14% of people with stage IV colon cancer are likely to still be alive 5 years after they are diagnosed.
Is there any hope for Stage 4 colon cancer?
Better treatments are available for colon cancer than we had even two years ago, and long-term survival rates—even with stage 4 disease are improving. The current 5-year survival rate for stage 4 colon cancer, according to the American Cancer Society, is 14%.
Is Chemo Worth It For Stage 4 colon cancer?
If the colon cancer has spread too far for surgery to be effective, chemotherapy is the primary treatment option. Most people with stage 4 colon cancer will receive chemotherapy or specific targeted therapies to help control the cancer progression or symptoms.