Astrocytoma can be cured in some patients. According to the growth rate and spread of astrocytoma to nearby brain tissues, astrocytomas can be classified into four grades. Usually, the prognosis of grade I-II is good, and the prognosis of grade III-IV is relatively poor. 1. Grade I tumors are usually non-infiltrative, rarely infiltrate into nearby tissues, and usually occur in the cerebellum, cerebrum, optic nerve pathway and brainstem, and can be cured with active treatment. 2. Grade II are diffuse astrocytomas, which grow relatively slowly and do not have a clear boundary between the tumor and other brain tissues. Some special types, called non-infiltrating astrocytomas, tend to grow very slowly and do not grow into the surrounding tissues, and they usually have a good prognosis. 3. Grade III are malignant cell tumors that tend to have tentacle-like projections, grow rapidly and spread into the surrounding normal brain tissue, require more aggressive treatment, and are difficult to cure. 4. Grade IV is a very aggressive glioblastoma, which is an astrocytoma that develops very rapidly and penetrates quickly into the surrounding brain tissue, and is difficult to treat and has the highest degree of malignancy. Overall grade I astrocytomas are mostly curable, while the other types are very difficult to fully cure. If you find astrocytoma, you should consult the hospital in time and treat it actively so as not to delay the condition.