Stage III cancer is generally classified according to the size of the tumor, whether there is metastasis or distant metastasis in the lymph nodes, and generally adopts the international standard TNM stage. Stage III may have surrounding enlarged lymph nodes or large primary tumor lesions. If stage III cancer is not curable by surgery, preoperative neoadjuvant chemotherapy or radiotherapy can be considered. If the tumor can be shrunk and the stage can be reduced, there is still a chance for radical surgery later. If cancer stage III has the possibility of radical surgery or palliative surgery, you can also have surgery first and then adjuvant radiotherapy or chemotherapy after surgery, which can also control the development of the disease and look at it while treatment. Generally, it is also possible to have better treatment effect and survive for more than 3 or 5 years.