Barry has come to the medical office today because he has a small sore on the back of his left forearm that appeared three months ago and has not gone away. The sore is smooth and red, and has a slight waxy sheen. You would expect the physician to test for which of the following disorders?
A. Dermatitis
B. Eczema
C. Psoriasis
D. Basal cell carcinoma
E. Herpes simplex
D. Basal cell carcinoma
A sore that does not go away may indicate a skin cancer. Both basal cell carcinoma and squamous cell carcinoma can appear as a red sore with a waxy appearance.
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