the authors examined 22 colorectal carcinomas and 51 colorectal adenomas from 41 familial polyposis coli patients and observed mutations at codons 12 and 13 in eight of 22 colorectal carcinomas ( 36 % ) and six of 51 colorectal adenomas ( 12 % ) .
C0032580
familial polyposis coli
C0009402
colorectal carcinomas