The molecular basis of nonmelanoma skin cancer: new understanding. (jbiomed.com)
There are two types of nonmelanoma skin cancer, including basal cell carcinomas (they may be dome - shaped with visible blood vessels and can look like open sores that won't heal) and squamous cell carcinomas (they may form a crusty lump on the skin or rough, scaly patches that sometimes bleed). (health.com)
Evidence is more limited and inconsistent regarding the accuracy of the clinical visual skin examination for detecting nonmelanoma skin cancer. (sciencedaily.com)