求翻译：肿瘤是人体内正在发育的或成熟的正常细胞，在外来和内在有关因素长期作用下，出现过度增生成异常分化而形成的新生物，分为良性肿瘤和恶性肿瘤。恶性肿瘤严重危害人类的健康，其治疗方法目前分为外科切除、放射治疗（放疗）和化学药物治疗（化疗）等是什么意思？

The tumor is the body developing or mature normal cells in long-term effects of external and internal factors, the excessive growth to generate abnormal differentiation and the formation of new organisms, divided into benign and malignant tumors. Malignancy serious harm to human health, its treatmen

Tumors in the human body is being developed or mature of normal cells in the context of an external and internal factors in long-term effect on the occurrence of excessive, abnormal differentiation and increased generation of a new creature, is a benign tumor and malignant tumors. Malignant tumors s

The tumor is in the human body is growing or the mature normal cell, under external and intrinsic related factor long-term function, appears new biology which the proliferation becomes excessively exceptionally splits up forms, divides into the benign tumor and the malignant tumor.The malignant tumo

Tumor is growing or mature normal cells in the body, under the action of external and intrinsic factors of long-term, excessive hyperplasia abnormal differentiation and formation of new creatures, are divided into benign and malignant neoplasms. Malignant tumors serious health hazards to humans, its

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