CA9 and cervical carcinoma: Retrospectively, the analysis of samples of preneoplastic lesions and invasive cervical cancer confirmed the histopathological diagnoses and detected the presence of HPV type and HPV-16 variants, as well as the overexpression of proteins such as hTERT, IGF1R<i>α</i>, IGF1R<i>β</i>, CAIX, and GLUT1.