Colorectal cancer early screening: Dilemmas and solutions

Figure 1 Procedure of colorectal cancer early screening. For the eligible population to be incorporated into the screening procedure, the combination of population-based screening and opportunistic screening is adopted. Risk stratification was carried out by evaluating risk factors and then individualized screening programs are selected. APCS: Asia-Pacific colorectal screening; FIT: Fecal immunochemical test; CRC: Colorectal cancer; LS: Lynch syndrome; FAP: Familial adenomatous polyposis syndrome; MAP: MUTYH-associated polyposis; PJS: Peutz-Jeghers syndrome; JPS: Juvenile polyposis syndrome; CMMR-D: Constitutional mismatch repair deficiency.