Stage IA2 Lung Cancer AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IA2 includes: T1b, N0, M0. T1b: Tumor measuring more than 1 cm but 2 cm or less in greatest dimension. N0: No tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)