AIM: To investigate whether common terminology criteria for adverse events (CTCAE) grade 4 lymphopenia (<200 cells/mul) during concurrent chemoradiotherapy (CCRT) is relevant to poor survival. PATIENTS AND METHODS: We analyzed 124 patients with newly diagnosed Federation of Gynecology and Obstetrics (FIGO) stage I-III cervical cancer who received weekly cisplatin-based CCRT and brachytherapy using Kaplan-Meier curves and the Cox proportional hazard models. RESULTS: Grade 4 lymphopenia significantly predicted disease-specific survival (DSS) and progression-free survival (PFS) (adjusted hazard ratio (95% confidence interval (CI))=3.6 (1.37-9.44), p=0.009 and 3.28 (1.27-8.48), p=0.014, respectively). The 5-year DSS and 3-year PFS were significantly higher among patients with grade 2-3 lymphopenia (>/=200 cells/mul) than among those with grade 4 lymphopenia (84.8% vs. 50.4%, p<0.001, and 80.7% vs. 50%, p=0.002, respectively). CONCLUSION: Severe lymphopenia during CCRT could predict poor survival.
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