
Keywords: سیگموئیدوسکوپی انعطاف پذیر; CCE; colon capsule endoscopy; CI; confidence interval; CRC; colorectal cancer; DRE; digital rectal examination; FDA; Food and Drug Administration; FIT; fecal immunochemical test; FS; flexible sigmoidoscopy; gFOBT; guaiac-based fecal occult blood test; GRA