B.C. health authorities identify problem with early colon cancer test

Provincial health authorities have once again discovered a problem with a laboratory test designed for people considered at average risk of colon cancer.
B.C. Laboratories and B.C. Cancer Agency say recent fecal immunochemical test (FIT) results are showing a spike in the number of positive screens being returned — more patients are testing positive than is typical.
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On average, 15 per cent of patients scree