RGS7 and squamous cell carcinoma: Overall, except for RGS7 rs2502448, there were no significant statistical differences between the different genotypes of each variant and the patient’s demographic and clinicopathological characteristics (data not shown), namely FIGO stage (III/IV vs. I/II), age (< 50 years vs. ≥ 50 years) and histological subtype (adenocarcinoma/others vs. squamous cell carcinoma) (P > 0.05).