however , in the group with cancer ( 154 ) , it was found only in two of four patients with nephroblastoma and in three of five with tumors of tissue derived from the neurological crest : retinoblastoma ( 1/1 ) , neuroblastoma ( 1/3 ) , and medulloblastoma ( 1/1 ) .
C0006826
cancer
C0027708
nephroblastoma