Nonmelanoma skin cancer

(A) A raised or flat area of the skin with a sore that won't heal can be a sign of a basal cell skin cancer.
(B) Some basal cell skin cancers can look like flat, pink spots on the skin that do not go away.
(C) This red scaly spot is a squamous cell skin cancer.
(D) This pink, scaly bump is a squamous cell skin cancer.