There are four major types of cancer treatment: surgery, radiation therapy, chemotherapy, and immunotherapy.

有四种主要的癌症治疗类型：外科、放射治疗、化学治疗和免疫治疗。

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There are four major types of cancer treatment: surgery, radiation therapy, chemotherapy, and immunotherapy.

有四种主要的癌症治疗类型：外科、放射治疗、化学治疗和免疫治疗。

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