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胸腺肿瘤是胸部实体肿瘤中相对罕见的一个类型~[1]。在中国,胸腺肿瘤的发病率约为3.93/100万,这大致为肺癌发病率的1/100、食管癌发病率的1/25。此发病率高于北美报告的胸腺肿瘤发病率[2.14/100万;基于美国医疗保险监督、流行病学和最终结果(Surveillance,Epidemiology,and End Results,SEER)数据库]。不过,SEER数据库也显示,胸腺肿瘤在亚裔中的发病率(3.74/100万)要远高于白人(1.89/100万),且与中国的数据接近。这意味着,胸腺肿
Thymic tumors are a relatively rare type of solid tumor in the chest ~ [1]. In China, the incidence of thymic tumors is approximately 3.93/1 million, which is roughly 1/100 of the incidence of lung cancer and 1/25 of the incidence of esophageal cancer. This incidence rate is higher than the reported incidence of thymic tumors in North America [2.14/1 million; based on the Surveillance, Epidemiology, and End Results (SEER) database]. However, the SEER database also showed that the incidence of thymic tumors among Asians (3.74/1 million) was much higher than that of whites (1.89/1 million) and was similar to that of China. This means that the thymus gland