Source:http://linkedlifedata.com/resource/umls/id/C1336109
NCI: Stage IA1 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. (AJCC 6th and 7th eds.) (AJCC 6th and 7th Eds.)