Is fecal occult blood testing more sensitive for left- versus right-sided colorectal neoplasia? A systematic literature review.

Owing to its slow development from removable precursor lesions and early cancer stages with good prognosis, screening for colorectal cancer holds potential to reduce both the incidence and mortality of the disease. While sigmoidoscopy only detects left-sided neoplasia, there is accumulating evidence that colonoscopy is also more effective in protecting from… (More)