Candidates for this procedure are patients with the following: Histologic subtypes such as squamous cell carcinoma, adenocarcinoma, or adenosquamous carcinoma (not neuroendocrine or small cell carcinoma or sarcoma) Stage IA1 / grade 2 or 3 with lymphovascular space invasion Stage IA2 Stage IB1 Invasion of the upper cervix and lower uterine segment should be excluded by MRI before surgery.