Large hyperpigmented perianal tumor.
نویسنده
چکیده
Anorectal melanomas are rare tumors that occur more frequently with advancing age and peak in the sixth and seventh decades (Felz et al., 2001). Surgery is considered to be optimal therapy; however, chemotherapy and immunotherapy have been shown to be effective in a small number of patients.
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عنوان ژورنال:
- Clinical journal of oncology nursing
دوره 6 2 شماره
صفحات -
تاریخ انتشار 2002