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Risk Stratification Based on Metastatic Pelvic Lymph Node Status in Stage IIIC1p Cervical Cancer

Authors Li A, Wang L, Jiang Q, Wu W, Huang B, Zhu H

Received 19 March 2020

Accepted for publication 12 June 2020

Published 28 July 2020 Volume 2020:12 Pages 6431—6439


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Antonella D'Anneo

Anyang Li,1,2 Luhui Wang,2 Qi Jiang,2 Wenlie Wu,2 Baoyou Huang,2 Haiyan Zhu1,2

1Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 200126, People’s Republic of China; 2Department of Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, People’s Republic of China

Correspondence: Haiyan Zhu
Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 200126, People’s Republic of China
Tel +86 57755069162

Purpose: Stage IIIC1 cervical cancer showed heterogeneous in oncologic outcomes with highly variable survival rates. Our objective was to determine the prognostic significance of removed and metastatic pelvic lymph node status and further perform risk stratification in patients with stage IIIC1p cervical cancer.
Patients and Methods: Patients with stage IIIC1p cervical cancer and undergoing radical hysterectomy with lymphadenectomy in 2008– 2018 were retrospectively analyzed. Patients’ stage was classified using the revised 2018 International Federation of Gynecology and Obstetrics (FIGO) staging schema. Univariate and multivariable models were used to examine the association between removed and metastatic lymph node status and recurrence-free survival/overall survival.
Results: During a median follow-up of 34 months, 73 relapses and 44 deaths were observed among 273 patients with stage IIIC1p cervical cancer. Parametrial involvement and metastatic lymph node ratio (mLNR) were identified as independent predictors for recurrence-free survival. Parametrial involvement and mLNR were independent predictors for overall survival. A stratification system was then created based on parametrial involvement and mLNR. A total of 123 (45.1%), 127 (46.5%) and 23 (8.4%) patients were classified into the low-risk, intermediate-risk, and high-risk groups, with as a 5-year recurrence-free survival of 81.7%, 51.1%, 38%, respectively. Compared to the low-risk group, the intermediate- and high-risk groups had a significantly greater risk of recurrence and death.
Conclusion: The prognosis of stage IIIC1p patients varied significantly. A risk stratification system based on parametrial involvement and mLNR successfully separated patients into low, intermediate, and high-risk group. Our findings could facilitate the practical use of further stratification in Stage IIIC1p cervical cancer.

Keywords: cervical cancer, stage IIIC1p, pelvic lymph node, prognosis

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