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Background <p>In 2018, the International Federation of Gynecology and Obstetrics (FIGO) revised its cervical cancer staging system to enhance clinical relevance, notably by categorizing lymph node metastases (LNM) as an independent stage IIIC. This multicenter study evaluates the prognostic implications of the FIGO 2018 classification within a Japanese cohort.</p> Methods <p>This study included 1468 patients with cervical cancer. Initial FIGO 2009 stages were restaged under FIGO 2018. Stage IIIC was further compared based on the location of LNM (pelvic or para-aortic, i.e., IIIC1 and IIIC2, respectively), local tumor stage, and histology.</p> Results <p>A total of 345 cases (27.4%) were upstaged to stage IIIC, which exhibited a poorer prognosis compared to stage II (HR, 2.12; 95% CI 1.29 − 3.48; <i>p</i> = 0.004) and better than stage IIIAB (HR, 0.46; 95% CI 0.27 − 0.78; <i>p</i> = 0.004). Notably, stage IIIC2 showed a significantly worse prognosis than IIIC1 (HR, 2.32; 95% CI 1.37 − 3.93; <i>p</i> = 0.003). Subdivisions of stage IIIC1 (T1, T2, and T3AB) displayed significantly varied prognoses, with the prognosis for IIIC1-T3AB similar to that of stage IIIAB. In contrast, all subdivisions of IIIC2 showed uniformly poor outcomes. Multivariate analysis of stage IIIC patients revealed that para-aortic LNM, adenocarcinoma and adenosquamous carcinoma histology, and local T3AB tumor remained significant.</p> Conclusions <p>The classification of para-aortic LNM as stage IIIC2 has proven to be of critical relevance in the Japanese cohort. However, the prognostic impact of stage IIIC1 remains influenced by local tumor factors and histological subtypes. </p>

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Re-evaluating prognostic factors for cervical cancer with lymph node metastasis: a Japanese multicenter cohort study based on FIGO 2018

  • 期刊论文

  • 发表日期：

    2025年1月16日

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  • Kohei Hamada,
  • Koji Yamanoi,
  • Nobutaka Hayashi,
  • Yasushi Kotani,
  • Hisanori Matsumoto,
  • Naoki Horikawa,
  • Kaoru Abiko,
  • Yukio Yamanishi,
  • Yoko Iemura,
  • Mana Taki,
  • Ryusuke Murakami,
  • Ken Yamaguchi,
  • Junzo Hamanishi,
  • Masaki Mandai

摘要

Background

In 2018, the International Federation of Gynecology and Obstetrics (FIGO) revised its cervical cancer staging system to enhance clinical relevance, notably by categorizing lymph node metastases (LNM) as an independent stage IIIC. This multicenter study evaluates the prognostic implications of the FIGO 2018 classification within a Japanese cohort.

Methods

This study included 1468 patients with cervical cancer. Initial FIGO 2009 stages were restaged under FIGO 2018. Stage IIIC was further compared based on the location of LNM (pelvic or para-aortic, i.e., IIIC1 and IIIC2, respectively), local tumor stage, and histology.

Results

A total of 345 cases (27.4%) were upstaged to stage IIIC, which exhibited a poorer prognosis compared to stage II (HR, 2.12; 95% CI 1.29 − 3.48; p = 0.004) and better than stage IIIAB (HR, 0.46; 95% CI 0.27 − 0.78; p = 0.004). Notably, stage IIIC2 showed a significantly worse prognosis than IIIC1 (HR, 2.32; 95% CI 1.37 − 3.93; p = 0.003). Subdivisions of stage IIIC1 (T1, T2, and T3AB) displayed significantly varied prognoses, with the prognosis for IIIC1-T3AB similar to that of stage IIIAB. In contrast, all subdivisions of IIIC2 showed uniformly poor outcomes. Multivariate analysis of stage IIIC patients revealed that para-aortic LNM, adenocarcinoma and adenosquamous carcinoma histology, and local T3AB tumor remained significant.

Conclusions

The classification of para-aortic LNM as stage IIIC2 has proven to be of critical relevance in the Japanese cohort. However, the prognostic impact of stage IIIC1 remains influenced by local tumor factors and histological subtypes.