Abstract
Background
There are controversies about the ability of neutrophil to lymphocyte ratio to predict the recurrence and survival in patients with locally advanced rectal cancer (LARC) treated with neoadjuvant chemoradiation. The objective of this study is to investigate the prognostic potential of combined lymphocyte count (LC) and neutrophil count (NC) in LARC patients treated with chemoradiotherapy (CRT) followed by curative surgery.
Methods
Patients with LARC who underwent surgical resection between January 2010 and December 2017 were reviewed retrospectively. We divided the patients into three groups: high LC and low NC, low LC and high NC, and the remaining patients. The cut-off values of LC and NC were determined by receiver operating characteristic curve analysis and log-rank test statistics. We compared the disease-free survival (DFS) rate between the groups.
Results
A total of 176 consecutive patients were included in this study. The 5 year DFS rate was significantly different among the three groups in pathologic node (pN)+ patients (73.2% vs. 61.9% vs. 14.2%; P = 0.025). Cox multivariate analysis for pN+ patients demonstrated that combination of low LC and high NC (hazard ratio, 3.630; 95% confidence interval [CI], 1.306–10.093; P = 0.013) was significantly correlated with decreased DFS.
Conclusions
This study showed that the combination of LC and NC is a powerful predictive factor for disease recurrence in pN+ LARC patients who underwent CRT.
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SYO contributed to design of this paper, analysis of data, revising this paper and final approval. SY contributed to design of this paper, analysis of data, revising this paper and final approval. YO contributed to design of this paper, analysis of data, revising this paper and final approval.
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Yoon, S., Oh, Y. & Oh, S.Y. Clinical Implications of Combined Lymphocyte and Neutrophil Count in Locally Advanced Rectal Cancer After Preoperative Chemoradiotherapy. World J Surg 45, 2591–2600 (2021). https://doi.org/10.1007/s00268-021-06126-z
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DOI: https://doi.org/10.1007/s00268-021-06126-z