Nonmelanoma skin cancer is the most common cancer in the United States, and its incidence is increasing dramatically. Although mostly caused by sun exposure, less common causes are also discussed. Several types of basal cell carcinomas are described, as well as squamous cell carcinoma. While these carcinomas rarely cause death, they can be locally destructive, and removal can cause significant disfigurement and functional impairment. The value of early detection is emphasized.
非黑色素瘤皮肤癌是美国最常见的癌症，其发病率正在急剧上升。虽然主要由阳光照射引起，但也讨论了一些不太常见的病因。文中描述了几种基底细胞癌以及鳞状细胞癌。虽然这些癌症很少导致死亡，但它们可能具有局部破坏性，切除后会导致明显的毁容和功能障碍。强调了早期检测的重要性。
