What is the best method to confirm the diagnosis of carcinoma cervix?

The best method to confirm the diagnosis of carcinoma cervix is through a biopsy of cervical tissue, which can be obtained via procedures such as colposcopy-directed biopsy or endocervical curettage. Pap smears can indicate abnormal cells, but a biopsy provides definitive histological confirmation. Additionally, imaging studies may be used to assess the extent of disease but are not diagnostic for carcinoma.