Source:http://linkedlifedata.com/resource/umls/id/C0854764
NCI: Stage 0 includes: Tis (HGD), N0, M0, G1,GX. Tis: High-grade dysplasia. N0: No regional lymph node metastasis. M0: No distant metastasis. G1: Well differentiated. GX: Grade cannot be assessed-stage grouping as G1. (AJCC 7th ed.)