机译:腹腔镜会阴部切除术治疗肛门直肠恶性黑色素瘤4例
Department of General Surgery,the Second Affiliated Hospital,Nanjing Medical University;
Department of Pathology,the Second Affiliated Hospital,Nanjing Medical University;
anorectal malignant melanoma; laparoscopic abdominoperineal resection; wide local excision;