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研究儿童主要恶性肿瘤的发病与发展趋势。通过对儿童发病有关７种肿瘤临床与病理资料回顾性调查，发现２２７２例恶性肿瘤中儿童为８４７例（３７．３％）。分析肿瘤的发病年龄、性别分布与年代变化。探讨儿童恶性肿瘤发病和防治措施。
To study the incidence and development trend of major malignant tumors in children. A retrospective survey of clinical and pathological data on seven kinds of tumors in children revealed that 847 (37.3%) children were found in 2272 malignant tumors. Analysis of the incidence of tumor age, gender distribution and changes in the age. To explore the incidence of children with malignant tumors and prevention and treatment measures.