Chen Hongzhang, director of the Department of Colorectal Surgery of Changhua Christian Hospital, emphasized that the traditional reliance on blood sampling for CEA testing, but it is easy to be affected by non-tumor factors such as smoking, hepatitis, ulcerative enteritis and other non-tumor factors, while the new tumor marker detection technology (DR-70) can effectively avoid errors and improve the accuracy of interpreting whether the tumor has recurred.
