Is astrocytoma cancer?

Astrocytoma is a type of brain glioma, divided into low-grade and high-grade astrocytoma. Low-grade astrocytoma, usually refers to the first and second grades, the growth rate is relatively slow, and the surgical treatment effect and prognosis are good; third grade astrocytoma belongs to anaplastic; fourth grade astrocytoma is glioblastoma, belonging to the highest degree of malignancy, the growth rate is very fast, and the treatment effect is very poor. Therefore, astrocytoma can not be considered as cancer in general, it itself belongs to a kind of malignant tumor, just say that the first and second malignant degrees are lower, and the third and fourth malignant degrees are higher.