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. 2015 Mar 24;14(3):401–410. doi: 10.1007/s10689-015-9792-1

Table 3.

Referral criteria for a single colonoscopya

A person with two first degree relatives with colorectal cancer >70 yearsb

aIf criteria are met a single colonoscopy at the age of 65 years will be offered

bFamily members must all be genetically related (paternal or maternal lineage)