Stage I Differentiated Thyroid Gland Carcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage I includes: Under 45 years: Any T, Any N, M0. 45 years and older: 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.)

**Synonyms:** - Stage I Differentiated Thyroid Gland Cancer - Stage I Differentiated Thyroid Gland Carcinoma - Stage I Thyroid Gland Papillary or Follicular Carcinoma