title: Squamous cell carcinoma in a frost-bite scar.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D002921:Cicatrix / Q000150:complications*; D005627:Frostbite / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000209:etiology*