Anaplastic refers to the cell losing it's differentiation such as in a malignant neoplasm. Neoplastic refers to an abnormal growth of tissue.

Anaplastic Astrocytoma is an individual form of Astrocytoma. Because Astrocytoma is a cancer of the brain, it then follows that the brain is the organ that gets Anaplastic Astrocytoma.

Only 3-17% of patients with anaplastic cancer survive for five years.

Many persons with grade III anaplastic astrocytomas die within two to three years

anaplastic (2% of all thyroid cancers), is the fastest-growing and is usually fatal because the cancer cells rapidly spread to the different parts of the body.