Stage IA3 Lung Cancer AJCC v9

**Semantic type:** Neoplastic Process

**Definition:** Stage IA3 includes: T1c, N0, M0. T1c: Tumor measuring more than 2 cm but 3 cm or less in greatest dimension. N0: No tumor involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)