#4 Elevated Wart-Like Growth or Bump
If there is a bump on your skin like a blister that is more than 6mm in size, it could be a warning sign. These bumps also bleed slightly from time to time and appear more frequently on the face and neck region. Wart-like growths on the body that do not heal quickly could also be a sign. In both these cases, these symptoms are indicative of squamous cell carcinoma, which is treatable and appears due to chronic sun exposure. Or they could be a warning for the development of basal cell carcinoma, which is a rare form of skin cancer.