MAGEA9 and neoplasm: CT47A1, PAGE1, MAGEA9, MAGEC2, and MAGEA1 were detected at protein level in tumor tissues (CT47A1 in 14%, PAGE1 in 23%, MAGEA9 in 11%, MAGEC2 in 59% and MAGEA1 in 34% of tumors; Figure 3, Figure S3).