Although recent achievements have shown that results generated on blood samples collected from minor studies of screening for CRC by direct colonoscopy may have a certain value [ 33 , 34 ], there may be significant discrepancies between results generated in blood-samples from symptomatic patients and subjects undergoing colonoscopy screening [ 35 ].
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Triage May Improve Selection to Colonoscopy and Reduce the Number of Unnecessary Colonoscopies.
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