Mutations detected in exon 4. Exon 4 of all samples was sequenced as described in text.

<p>Fifty six colorectal cancer tissue samples were analyzed. Only those with a mutation in exon 4 are illustrated in the table. All detected mutations were confirmed via sequencing the opposite strand. HGVS guidelines for mutation nomenclature were followed.</p><p>Mutations detected in exon 4. Exon 4 of all samples was sequenced as described in text.