**5.2 New areas of interest for future research**

In the near future, to identify the relationship between risk factors and colorectal cancer in Vietnam as well as to optimize the environmental factors, the microbiome studies in our population should be performed. It is necessary to have a database for healthy people to compare with the colorectal cancer patients, with the collecting of data on diet and lifestyle habits. Furthermore, the studies on health-care cost-effectiveness in this specific field should be performed to support for building up an effective approach in the prevention, screening, and treating of colorectal cancer patients.
