Colorectal cancer
What is colorectal cancer?
- The colon and the rectum are the final sections of the digestive tract and are often referred to as the bowel1
- Colorectal cancer is a general term for cancer that begins in either the colon or the rectum1
Types of colorectal cancer
- There are several types of colorectal cancer, which are named after the cells in which they start2
- Over 95% of colorectal cases are of a type known as adenocarcinoma1,2
- Other, far less common, types include squamous cell cancers, carcinoid tumours, sarcomas, gastrointestinal stromal tumours, and lymphomas of the digestive system1,2
Who gets colorectal cancer?
- Colorectal cancer mostly affects people over the age of 60 years3,4
- Obesity, smoking tobacco and drinking alcohol, a diet high in processed meats, and physical inactivity may increase the risk of developing colorectal cancer4
- People with a close family history of colorectal cancer are more likely to get it themselves3,4
- Suffering from a bowel condition such as Crohn disease or irritable bowel syndrome increases your risk of colorectal cancer3,4
- It is the 3rd most common cancer worldwide5
- 1.4 million new cases were diagnosed worldwide in 20125
Screening, detection, and diagnosis
- Screening using methods such as stool tests and sigmoidoscopy can detect colorectal cancer early 6,7
- The first tests used to diagnose colorectal cancer are digital rectal examination and sigmoidoscopy; a biopsy may be taken during the sigmoidoscopy procedure8
- More extensive tests such as colonoscopy and CT colonography may be used; a biopsy may also be taken during the colonoscopy procedure8
Patient guidelines
A patient guideline is a document containing information for patients and their families about their disease and the treatment options available to them
Click here to see the European patient guideline on your condition9
Local support groups
Contacting a support group may help you during diagnosis and treatment and afterwards
Infographics
Click here for information on the incidence of colorectal cancer in Europe11