Clinical Study of NKG2D CAR-NK Combined with PD-1 Monoclonal Antibody in the Treatment of ATC

Inclusion Criteria: 1. Age 18-75 years (including boundary values), male or female. 2. Be diagnosed with anaplastic thyroid cancer histopathologically with a measurable lesion≥1cm. 3. Liver and kidney function is good, and can tolerate treatment. 4. Be able to cooperate with the completion of treatment and follow-up work. 5. No other systemic diseases, including other malignancies. Exclusion Criteria: 1. Need to breastfeed the baby or have fertility needs； 2. Immune system diseases; 3. Diseases of the blood system; 4. Mental system diseases; 5. Interstitial pneumonia, lung disease, etc.; 6. Failure to follow rules of this study.