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最近举行的第2届国际神经肿瘤学会议公布的数字显示,在过去20年中脑肿瘤在欧美国家的发病率上升了40％。
The recent statistics released by the 2nd International Conference on Neurological Oncology show that the incidence of brain tumors in Europe and the United States has increased by 40% over the past 20 years.