The client, undergoing testing for a possible brain tumor, asks the nurse about treatment options. The nurseÔÇÖs response should be based on knowing that treatment of a brain tumor depends on which factors? Select all that apply.

Surgery, radiation therapy, and/or chemotherapy may be used to treat a slowly or rapidly growing tumor. Surgery, radiation therapy, and/or chemotherapy may be used to treat a benign or malignant tumor. Surgery, radiation therapy, and/or chemotherapy may be used to treat tumors of different cell types. The tumorÔÇÖs location in the brain may affect whether surgery is an option or whether the surgical approach with radiation therapy and/or chemotherapy is used to treat the tumor. Comorbid conditions, not age, may be determining factors in treatment options. The type of insurance is irrelevant to treatment unless treatment is experimental.