机译:腹腔镜腹膜会阴切除术治疗肛门直肠恶性黑色素瘤4例
[1]Department of General Surgery, the Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210011,China;
[2]Department of Pathology, the Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210011, China;