A 23-year-old female presents with itchy and irritated rash in the image. The rash began in her late teens. She has a family history of similar rash in her mother. Which histocompatibility antigen is most likely in this patient?

A. HLA-Cw2

B. HLA-Cw6

C. HLA-B51

D. HLA-B27

E. HLA-Bw35

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