Source:http://linkedlifedata.com/resource/umls/id/C0458828
NCI: A stage term referring to invasive cervical cancer that is confined to the cervix without lymph node involvement. It includes: T1a1, N0, M0. T1a1: Measured stromal invasion 3.0 mm or less in depth and 7.0 mm or less in horizontal spread. N0: No regional lymph node metastasis. M0: No distant metastasis. (partially adapted from AJCC)