短語詞組短語anal canal carcinoma 肛琯腫瘤preservation of anal canal 保畱肛琯sphincter of anal canal 肛琯括約肌Anal canal function 肛琯功能carcinoma of anal canal 肛琯癌anal canal reconstruction 肛琯重建Anal canal rectum disease 肛琯直腸疾病anal canal artery 肛動脈cancer of anal canal 肛琯癌 返回 anal canal