The presence of truncated O-glycans, including the Tn antigen and its sialylated derivative, Sialyl Tn (STn) antigen (NeuAcα2-6GalNAcα1-O-Ser/Thr), is also a common feature in various carcinomas [24,129,139,140]. This evidence concerns the gene EEF1A2 and carcinoma.