LETTERS TO THE EDITOR
Rare case of basal cell carcinoma arising in a nevus sebaceous on the upper arm
Conflict of interest: The authors have no conflict of interest to disclose.
Noriaki Nakai, M.D., Ph.D., Department of Dermatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan. Email: firstname.lastname@example.org
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