CA9 and Nephroblastoma: These antigens include PRAME (preferentially expressed antigen of melanoma), WT1 (Wilms' tumor), hTERT (human telomerase reverse transcriptase), RHAMM (receptor for hyaluronan-mediated motility), G250/CA9 (an LAA derived from carbonic anhydrase), survivin and proteinase-3 (152, 153).