In fact, combination of the data of European Americans with the ethnic unknowns (considering more than 80% of pancreatic cancer patients in the US are European Americans) showed that the distribution of the ABCB1 G2677T was statistically significant for four of the PLINK tests, including Fisher's Exact test for allelic and genotypic frequencies (P = 0.043 and 0.039, resp). This evidence concerns the gene ABCB1 and familial pancreatic carcinoma.