Significance of sellar dura biopsy during transsphenoidal surgery in the diagnosis of pituitary adenoma invasiveness .
鞍底硬脑膜取检对垂体腺瘤侵袭性诊断的意义。
Conclusion : esophageal carcinosarcoma is an independent entity with little invasiveness , low lymph node metastasis and good prognosis .
结论：食管癌肉瘤是一种侵袭性差，淋巴结转移率低，预后较好的肿瘤。
Conclusion : the treatment of ureterolith through aerodynamic trajectory lithotrity by urs has such advantages as high cure rate and safety , minimal invasiveness , reduced complications and low expense , etc. it may serve as a choice of method to treat ureterolith .
