事实上，所有这些有价值的癌症统计数据均由癌症登记处汇集和提供。
In fact, all these valuable cancer statistics are collected and provided by the cancer registry.
因为癌症登记处提供这个数据类型，他们是那些病因学、诊断学和癌症治疗有价值的研究工具。
Because cancer registries provide this type of data, they are valuable research tools for those interested in the etiology, diagnosis, and treatment of cancer.
受试者包括了在1995年到2002年中确诊的58，498名患者，并且输入进癌症登记处。这些患者进行了随访直到2005年1月1号。
The subjects included 58,498 patients diagnosed between 1995 and 2002 and entered in a cancer registry. Patients were followed until January 1, 2005.
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