Stage IB Lung Cancer AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IB includes: T2a, N0, M0. T2a: Lung cancer with a tumor size more than 3 cm but 5 cm or less in greatest dimension. N0: No regional lymph metastasis. M0: No distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Stage IB Carcinoma of Lung - Stage IB Carcinoma of the Lung - Stage IB Lung Cancer - Stage IB Lung Carcinoma