NCD Watch

Colorectal Cancer Screening and Prevention

11 March 2025 (Tue)

Colorectal Cancer Screening and Prevention

Colorectal cancer is a major public health concern. In 2022, it is the third most common cancer globally and locally in Hong Kong. Colorectal cancer has a long precancerous stage, there is a window of opportunity for early detection by screening, and in turn early diagnosis and treatment. Cancer screening aims to look for abnormal lesions or cancers at an early stage before symptoms appear. When they are found early, treatment can be started earlier, resulting in better health outcomes.

The Cancer Expert Working Group on Cancer Prevention and Screening, which comprises of local cancer experts, academics, doctors from the public and private sectors, as well as public health professionals, recommends individuals aged 50–75 years at average risk of developing colorectal cancer (such as those without hereditary bowel diseases) to undergo faecal occult blood test every 1 or 2 years, or sigmoidoscopy every 5 years, or colonoscopy every 10 years.

The Government of the Hong Kong Special Administrative Region has launched the Colorectal Cancer Screening Programme (Programme) to subsidise asymptomatic Hong Kong residents aged between 50 and 75 years to undergo colorectal cancer screening in private sector for prevention and early detection of colorectal cancer. As of the end-2024, over 510 000 eligible persons had participated in the Programme.

Adherence to a healthy lifestyle can substantially reduce the risk of developing colorectal cancer. Members of the public are urged to increase intake of dietary fibre and decrease consumption of red and processed meat, be physically active, maintain a healthy weight and waist circumference, as well as refrain from smoking and alcohol drinking.

While the Department of Health (DH) will continue to promote colorectal cancer screening and implement publicity drives for enhancing participation, eligible persons are urged to join the Programme as soon as possible and have regular screenings for colorectal cancer. The DH will also continue to promote healthy living as well as work with community partners to foster a health -enhancing environment.

Source: NCD Watch March 2025This link will open in a new window