label: Stage I Differentiated Thyroid Gland Carcinoma 45 Years and Older AJCC v7
label_lc: stage i differentiated thyroid gland carcinoma 45 years and older ajcc v7
description: Stage I includes: T1, N0, M0.  T1: Tumor size 2 cm or less in greatest dimension, limited to the thyroid gland.  N0: No regional lymph node metastasis.  M0: No evidence of distant metastasis. (from AJCC 7th Ed.)