Table 1.

Distribution of Patients According to the Categories (Primary Lesion/Relapse) and Disease Stages.

Grade	Designation		Number of Patients
I	Pilocytic astrocytoma		1
II	Diffuse astrocytoma		3
II progressing into III			5
III	Anaplastic astrocytoma	Primary tumor	8
		Relapse	3
IV	Glioblastoma multiforme	Primary tumor	22
		Relapse	8
	Breast cancer metastasis in the brain		1