This book offers a self-contained review of the theoretical and practical basis of colorectal cancer screening. Colorectal cancer is currently the fourth leading cause of cancer deaths worldwide and represents a significant burden for both public health and health care systems. However, colorectal cancer deaths can be prevented using effective screening, and many countries and regions have launched population colorectal cancer screening programs. This book covers various essential aspects of colorectal cancer screening, including the epidemiology of colorectal cancer, the various screening and diagnostic tests or exams, quality issues in colorectal cancer screening, necessary infrastructures, the evaluation of effectiveness, and economic appraisals of screening programs.