Age: 3-60 Year -  Sex: Both Lansky performance scale/Karnofsky performance scale: 70-100% Life span expectation: >6 months Hemoglobin: > 10.0 g/dl Platelet count > 100,000/mm³ Serum total bilirubin < 1.5 times upper limit of normal (ULN) ALT and AST < 2.5 times ULN Serum creatinine < 1.5 times ULN No diagnosis of any other invasive cancer within the past 5 years. No concurrent serious medical or psychiatric illness that may interfere with giving informed consent or conducting this study  Exclusion Criteria:  Patients whose MRI and MRS images is in favor of radio necrosis. Due to emergency conditions, the patient cannot tolerate the new treatment Lack of a suitable donor or insufficient number of NK cells. Development of a new neurological defect after the first injection Patient death during surgery Closing the reservoir for the next injection (if this problem is resolved, the injections will be done again).