The association of colorectal cancer (CRC) with UGT1A1*6 (G71R in exon-1) [30], and UGT1A7*3 had been reported in Caucasoid, with an OR of 2.75[38] ; African Americans and American white [37]; Chinese (Taiwan), with an OR of 2.75; and Chinese (mainland) with an OR of 4.9[30]; and Chinese, with OR of 1.59[39]. Here, UGT1A1 is linked to colorectal cancer.