Figure 3.
Routine and new tests used or proposed for colorectal cancer screening. Guaiac fecal occult blood test (gFOBT), fecal immunochemical test (FIT), double-contrast barium enema (DCBE), computed tomographic colonography (CTC), colon capsule endoscopy (CCE), colonoscopy (CS), flexible sigmoidoscopy (FS), fluorescent long DNA (FL-DNA), not available (NA), false positive (FP). 1 The reported percentages of sensitivity and specificity refer to colorectal cancer. 2 Refers only to distal colorectal cancer. 3 Refers to advanced neoplasia. 4 Refers to the average value among 8 cancer types.