All the melanomas we mentioned refer to malignant melanoma, which is a malignant tumor with a high degree of malignancy. We say that any cancer or malignant tumor is divided into four stages, one stage, two stages, three stages and four stages. For stage I and stage II melanoma, we have expanded the excision of skin surface, and now the five-year survival rate has reached 90%. For the third stage diagnosis of melanoma, after we have diagnosed it, we should actively treat it. In addition to extensive resection, we should carry out target cell therapy, including corresponding chemotherapy first. Their five-year survival rate can reach 70%. For advanced malignant melanoma, we also have target cell therapy, and now the survival rate has been greatly improved.
