CANCER TEST, COLORECTAL SCREENING 2SAN FOB (24KT/CS) 2San Colorectal Cancer Screening Test is a one-step rapid test for the qualitative detection of human occult blood in feces Results at home in 10 minutes Easy sample collection Used as an aid in the diagnosis of lower gastrointestinal (GI) bleeding and for the detection of hemoglobin (Hb) in fecal samples Hidden (occult) blood in your stool may be a sign of Growth (polyps) and Colorectal Cancer