Objective To study the survival function of primary Anorectal malignant melanoma ( AMM ).
目的探讨原发性肛管直肠恶性黑色素瘤 ( anorectalmalignantmelanoma,AMM ) 患者的生存状况.
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Conclusion AMM has a poor prognosis, the survival function is not relationship with gender and age.
结论AMM预后极差, 其预后无显著性别和年龄差异.
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