NCIt definition : A finding indicating the presence of blood in stool. It is the result of gastrointestinal
hemorrhage and it may be easily seen in stool or may be identified microscopically.;
Alternative definition : NICHD: The presence of blood in fecal matter; usually as a result of gastrointestinal
tract hemorrhage.;
https://www.inesss.qc.ca/publications/repertoire-des-publications/publication/equivalence-du-seuil-de-positivite-des-tests-immunochimiques-de-recherche-de-sang-occulte-dans-les-selles-pour-le-depistage-du-cancer-colorectal.html 2024 Canada review of literature feces early detection of cancer Equivalent screening for occult blood in feces cancer screening screening for cancer Research Search research immunochemistry Blood in Stool colorectal neoplasms Occult Blood Measurement Colorectal Cancer Screening for Colorectal Cancer occult blood Liquid Tumor malignant neoplasm colon/rectum