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The prognostic impact of histological type on clinical outcomes of early-stage cervical cancer patients whom have been treated with radical surgery

Abstract The aim of this study was to determine the prognostic impact of histological type among squamous cell carcinoma (SCC), adenocarcinoma (AC) and adenosquamous carcinoma (ASC) on the treatment outcome of early-stage cervical cancer patients after radical hysterectomy. The cohort comprised of 626 patients, diagnosed with stages IA2-IB1 cervical cancer between 1987 and 2013. Four hundred and one patients had SCC, 190 had AC and 35 had ASC. The 5-year disease-free survival (DFS) rates for AC, SCC and ASC were 89.3% (95%CI 83.2–93.2), 88.7% (95%CI 84.8–91.7) and 82.1% (95%CI 61.9–92.2), respectively (p = .594). In multivariate analyses, only older age and deep stromal invasion were statistically significantly associated with DFS, whereas histologic cell type was not (p = .524). Subgroup analysis showed that in the intermediate-high-risk groups, the SCC group had a significantly longer DFS, compared with the AC group or the ASC group (p = .001) while there was no DFS difference in the low-risk group. We believe that histologic cell type had no impact in low-risk early-stage cervical cancer patients. However, in the intermediate-high-risk groups, SCC is a more favourable factor for survival than AC/ASC.