The incidence-based mortality rate for penile cancer showed an increasing trend in the USA [ 27 ], consistent with our results, while the mortality rate increased for vulva cancer and decreased for vaginal cancer in Poland [ 28 ].
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The incidence-based mortality rate for penile cancer showed an increasing trend in the USA [ 27 ], consistent with our results, while the mortality rate increased for vulva cancer and decreased for vaginal cancer in Poland [ 28 ].