the mechanism of expression of a series of glycolipid antigens carrying the lex determinant structure , gal beta 1 -- -- 4 [ fuc alpha 1 -- -- 3 ] glcnac beta 1 -- -- , and characterized by oncofetal expression in fetal colon and colonic adenocarcinomas has been studied in human fetal and adult proximal colon tissue .
C0338106
colonic adenocarcinomas
C0009368
colon