Colorectal cancer is the third-most commonly diagnosed cancer in men and women in the U.S. each year. According to the Colon Cancer Alliance, on average, the lifetime risk of developing colon cancer is about one in 20, or 5%.
Risk factors for colorectal cancer
Some lifestyle factors have been linked to colorectal cancer. These factors include:
- Diet — if you eat a diet that is high in red and processed meats, you may have a higher chance of developing colorectal cancer. Diets that contain high amounts of fruits, vegetables, and whole grains have been linked to a lower risk for developing colorectal cancer.
- Weight — if you are overweight and physically inactive, your risk for colorectal cancer may be higher.
- Smoking — those who have a long history of smoking are more likely than non-smokers to be diagnosed with colorectal cancer.
- Alcohol — colorectal cancer has been linked to heavier alcohol use.
Colorectal cancer symptoms
It is important to be mindful of symptoms of colorectal cancer and to speak with your doctor if you have any concerns. Common symptoms include:
- A change in bowel habits
- Blood in the stool (bright red, black or tar-like)
- Narrower than normal stools
- Diarrhea, constipation, or feeling that the bowel does not empty completely
- Abdominal discomfort (gas pains, bloating, fullness, cramps)
- Unexplained weight loss
- Constant feeling of fatigue
Treatments for colorectal cancer
Surgery is the most common type of treatment for colorectal cancer for stages 0 through III, as well as stage IV if the tumor is obstructive or blocking the bowel. Types of surgery may include polypectomy and local excision, partial colectomy, laparoscopic-assisted colectomy, total colectomy, or a colostomy.
Other types of treatments common for colorectal cancer patients include radiofrequency ablation, cryosurgery, radiation therapy, chemotherapy, targeted therapy or clinical trials.
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