Stage I Adrenal Gland Pheochromocytoma and Sympathetic Paraganglioma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage I includes: T1, N0, M0. T1: Pheochromocytoma measuring less than 5 cm in greatest dimension, with no extra-adrenal invasion. N0: No regional lymph node metastasis. M0: No distant metastasis. (from AJCC 8th Ed.)