总的来说，基底细胞癌是最常见的皮肤癌类型，其也是最常见的眼睑上皮肿瘤。
Basal cell carcinomas are the most common form of skin cancer overall, and also the most common epithelial tumor of the eyelid.
不仅是晒伤具有危险性，不停地暴露阳光下(即反复晒日浴但不至于晒伤)也与基底细胞癌和扁平上皮癌有关。
It's not only burning that puts you at risk. Cumulative exposure (repeated sunbathing without burning) is linked to basal cell and squamous cell carcinomas.
在接下去的中位数为3.4年的随访中，总共有472人被诊断为基底细胞癌，309人被诊断为鳞状上皮细胞癌。
A total of 472 basal cell carcinomas and 309 squamous cell carcinomas were diagnosed during a median follow-up of 3.4 years.
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