短語詞組短語anal canal carcinoma 肛管腫瘤preservation of anal canal 保留肛管sphincter of anal canal 肛管括約肌Anal canal function 肛管功能carcinoma of anal canal 肛管癌anal canal reconstruction 肛管重建Anal canal rectum disease 肛管直腸疾病anal canal artery 肛動脈cancer of anal canal 肛管癌 返回 anal canal