Source:http://linkedlifedata.com/resource/umls/id/C0278582
NCI: Stage IB includes: IB (T1b, N0, M0); IB1(T1b1, N0, M0); IB2 (T1b2, N0, M0). T1b: Clinically visible lesion confined to the cervix or microscopic lesion greater than T1a/IA2. T1b1: Clinically visible lesion 4.0 cm or less in greatest dimension. T1b2: Clinically visible lesion more than 4.0 cm in greatest dimension. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th and 7th eds.) (AJCC 6th and 7th eds.)