| I |
Stage I Differentiated Thyroid Gland Carcinoma 45 Years and Older |
C101540 |
NCI Thesaurus |
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.) |
| II |
Stage II Differentiated Thyroid Gland Carcinoma 45 Years and Older |
C101542 |
NCI Thesaurus |
Stage II includes: T2, N0, M0. T2: Tumor more than 2 cm but not more than 4 cm in greatest dimension, limited to the thyroid gland. N0: No regional lymph node metastasis. M0: No evidence of distant metastasis. (from AJCC 7th Ed.) |
| III |
Stage III Differentiated Thyroid Gland Carcinoma |
C87545 |
NCI Thesaurus |
Stage III includes: (T3, N0, M0); (T1, N1a, M0); (T2, N1a, M0); (T3, N1a, M0). T3: Tumor greater than 4 cm in greatest dimension and limited to the thyroid gland, or tumor of any size with minimal extrathyroid extension (e.g., extension to sternothyroid muscle or perithyroid soft tissues). T1: Tumor size 2 cm or less in greatest dimension, limited to the thyroid gland. T2: Tumor more than 2 cm but not more than 4 cm in greatest dimension, limited to the thyroid gland. N0: No regional lymph node metastasis. N1a: Metastasis to pretracheal, paratracheal or prelaryngeal/Delphian lymph nodes (Level VI lymph nodes). M0: No distant metastasis. (AJCC 7th ed.) |
| IVA |
Stage IVA Differentiated Thyroid Gland Carcinoma |
C87546 |
NCI Thesaurus |
Stage IVA includes: (T4a, N0, M0); (T4a, N1a, M0); (T1, N1b, M0); (T2, N1b, M0); (T3, N1b, M0); (T4a, N1b, M0). T4a: Moderately advanced local disease. Tumor of any size extending beyond the thyroid gland capsule to invade subcutaneous soft tissues, larynx, trachea, esophagus, or recurrent laryngeal nerve. ). T1: Tumor size 2 cm or less in greatest dimension, limited to the thyroid gland. T2: Tumor more than 2 cm but not more than 4 cm in greatest dimension, limited to the thyroid gland. T3: Tumor more than 4 cm in greatest dimension and limited to the thyroid gland, or tumor of any size with minimal extrathyroid extension (e.g., extension to sternothyroid muscle or perithyroid soft tissues). N0: No regional lymph node metastasis. N1a: Metastasis to pretracheal, paratracheal or prelaryngeal/Delphian lymph nodes (Level VI lymph nodes). N1b: Metastasis to unilateral, bilateral or contralateral cervical (Levels I, II, III, IV, or V) or retropharyngeal or superior mediastinal lymph nodes (Level VII). M0: No distant metastasis. (AJCC 7th ed.) |
| IVB |
Stage IVB Differentiated Thyroid Gland Carcinoma |
C87547 |
NCI Thesaurus |
Stage IVB includes: T4b, Any N, M0. T4b: Very advanced disease. Tumor invades prevertebral fascia or encases carotid artery or mediastinal vessels. M0: No distant metastasis. (AJCC 7th ed.) |
| IVC |
Stage IVC Differentiated Thyroid Gland Carcinoma |
C87548 |
NCI Thesaurus |
Stage IVC includes: Any T, Any N, M1. M1: Distant metastasis. (AJCC 7th ed.) |
| Stage unknown |
Stage Unknown |
C92207 |
NCI Thesaurus |
A finding indicating that the extent of organ/tissue involvement by a malignant neoplasm is not reported or not assessed. |