Q&As on Surgery: Is Lateral Nodal Dissection Cost Effective in the Surgical Management of Rectal Cancer?

  • Toshiaki WatanabeEmail author
  • Soichiro Ishihara
  • Yoshihiro Moriya


The frequency of lateral pelvic lymph node (LPLN) metastasis in rectal cancer is approximately 15%, and the 5-year overall survival rate of resected LPLN metastasis cases is approximately 40%. Retrospective studies suggest that the prognosis for cases of LPLN metastasis with no distant metastasis may be improved by resection. Whether or not preoperative chemoradiotherapy (CRT) enables the omission of LPLN dissection is a topic under discussion. However, for patients diagnosed as negative for metastasis before CRT, it appears to be reasonable to omit dissection and to then selectively dissect any LPLN diagnosed positive for metastasis.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2018

Authors and Affiliations

  • Toshiaki Watanabe
    • 1
    Email author
  • Soichiro Ishihara
    • 1
  • Yoshihiro Moriya
    • 2
  1. 1.Department of Surgical OncologyThe University of Tokyo HospitalTokyoJapan
  2. 2.Department of SurgeryJapanese Red Cross Medical CenterTokyoJapan

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