In order to preserve quality of life, and lessen operative morbidity, a conservative local excision might be a treatment option for primary anorectal melanoma, particularly in debilitated patients.

• 对于肝硬化或其它慢性病之病人，为保有良好之生活品质与减少术中或术后并发症，局部切除应为另一选择之手术方法。