Can tumor spread be cured?

The effect of tumor diffusion treatment will obviously decrease, and some patients 'treatment even has no effect. Tumor diffusion indicates that the tumor has reached the advanced stage, at this time the number of tumor cells in the body is very large, and it is impossible to treat it by surgery. Drug chemotherapy cannot kill the cancer cells in the body quickly and effectively. Therefore, there is no effective treatment after tumor diffusion. In the late stage of tumor, symptomatic treatment is mainly used to minimize the pain caused by tumor and prolong the survival time of patients.