What are the stool-based tests used in rectal cancer screening and their recommended intervals?

Updated: Apr 06, 2021
  • Author: Burt Cagir, MD, FACS; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Stool-based screening tests and intervals are as follows:

  • Guaiac-based fecal occult blood test (FOBT), every year
  • Fecal immunochemical test (FIT), every year
  • FIT-DNA, every 1 or 3 years

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