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Purpose : Childhood cancer is closely related to the mutation of tumor suppressor gene. The mutant gene may evoke congenital anomaly and development of cancer. The common solid tumors in childhood are Wilms' tumor, retinoblastoma and neuroblastoma. The cytogenetic study has been performed. The cytogentic study revealed structural abnormality of chromosome in Wilms' tumor and retinoblastoma. The oncogene and mutation... |