The parents of a child who is diagnosed with Wilm's tumor ask the nurse why surgery is necessary before a biopsy is performed. What information should the nurse provide?

A The surgery provides a visualization of other pathology and dysfunction of the kidney. C Metal clips are surgically applied at the tumor site for exact marking for radiation. D Biopsy may rupture the encapsulated tumor and cause the cancer cells to spread. B Surgery is necessary to stage the tumor and determine metastasis to other sites.