Adjuvant therapy may be omitted for oral cavity cancer with only one positive lymph node

Wan Yu Chen, Ku Hao Fang, Chun Wei Wang, Chun Ta Liao, Tzue-Chen Yen, Taun Jen Fang, Shih Fan Lai, Hsiang Kuang Liang, Bing Shen Huang*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

4 Scopus citations

Abstract

Objective: Whether to administer adjuvant treatment is a matter of great debate for oral cavity cancer harboring a single positive node without extranodal extension and positive margin (defined as low/intermediate risk pN1new in this study). Methods: A total of 243 low/intermediate risk pN1new patients with oral cavity cancer who received curative surgery were included. Overall survival (OS), local recurrence-free survival (LRFS), regional recurrence-free survival (RRFS), and distant metastasis-free survival (DMFS) were compared between patients receiving adjuvant treatment and observation alone. Results: For patients receiving adjuvant therapy vs observation, the differences in outcomes were not statistically significant in terms of 5-year OS, LRFS, RRFS, and DMFS. For subgroup analysis, in low/intermediate pN1new patients with one or more minor risk factors, adjuvant therapy was not significantly associated with OS, LRFS, RRFS, or DMFS in pN1new patients. Conclusion: For low/intermediate risk pN1new patients with oral cavity cancer, adjuvant therapy might be omitted. Level of Evidence: 4.

Original languageEnglish
Pages (from-to)1339-1346
Number of pages8
JournalLaryngoscope Investigative Otolaryngology
Volume6
Issue number6
DOIs
StatePublished - 12 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 The Authors. Laryngoscope Investigative Otolaryngology published by Wiley Periodicals LLC on behalf of The Triological Society.

Keywords

  • adjuvant radiotherapy
  • oral cancer
  • risk factor
  • single node
  • surgery

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