研究人员表示在过去的30到50年，男性睾丸生殖细胞癌发病率出现显著和持续增加，尤其是在斯堪的纳维亚国家。

During the last 30 to 50 years, the researchers said, there has been a notable and continued increase in the incidence of testicular germ cell cancers among men, especially in Scandinavian countries.

youdao

生殖细胞肿瘤是15 ~ 35岁男性最常见的恶性肿瘤。

Germ cell tumor is the most common tumor of male patients aged 15-35.

youdao