4.6 Article

The Prognostic Value of Tumor Size, Volume and Tumor Volume Reduction Rate During Concurrent Chemoradiotherapy in Patients With Cervical Cancer

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FRONTIERS IN ONCOLOGY
卷 12, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2022.934110

关键词

cervical cancer; radiation therapy; tumor parameters; prognostic factors; tumor volume reduction rate (TVRR)

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资金

  1. Excellent Youth Program Fund of Sichuan Cancer Hospital [YB2021026]
  2. National Natural Science Foundation of China [81900498]
  3. Research Project of Science and Technology Department of Sichuan Province [2021YFH0138, 2022JDJQ0064]

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This study aimed to investigate the relationship between prognostic and tumor parameters of cervical cancer patients, and found that tumor size, tumor volume, and tumor volume reduction rate are associated with patients' survival rates.
ObjectiveThis study aimed to investigate the relationship between prognostic and tumor parameters of cervical cancer patients, such as tumor size (TS), tumor volume (TV), and tumor volume reduction rate (TVRR) after external beam radiotherapy. MethodsA total of 217 patients with advanced cervical cancer, classified as Federation of Gynecology and Obstetrics (FIGO) IIa-IVa, were enrolled in the study. Pre- and mid-RT pelvic magnetic resonance imaging (MRI) were performed twice, during RT and just before brachytherapy. ResultsThe median follow-up time was 51 months (range, 7-111 months). The 5-year overall survival (OS), progression-free survival (PFS), and local failure-free survival (LFFS) rates were 81.3, 85.1, and 92.9%, respectively. Multivariate analysis revealed that tumor parameters including FIGO stage >II (Hazard Ratio, 2.377 and 95% confidence interval [CI], 1.091-5.182; P = 0.029), pre-RT TV >61.6 cm(3) (HR, 0.417 and 95% CI, 0.188-0.926; P = 0.032), and mid-RT TV >11.38 cm(3) (HR, 3.192 and 95% CI, 1.094-9.316; P = 0.034) were observably associated with OS. Univariate analysis showed that the tumor volume reduction rate (TVRR) was dramatically associated with overall survival (HR, 0.204 and 95% CI 0.033-1.282; P <0.001) and local failure-free survival (P = 0.050). ConclusionsIn this retrospective study, TVRR and mid-radiotherapy tumor volume are independent and strong prognostic parameters for patients with local advanced cervical cancer receiving CCRT.

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