TriangleHEALTH PROFESSIONAL · SOURCE READING
Treatment Options for Stages IA and IB NSCLC
Source: Non-Small Cell Lung Cancer Treatment (PDQ®)–Health Professional Version, National Cancer Institute.
Source updated: May 15, 2025 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary.
Context: Treatment of Stages IA and IB NSCLC
Treatment options for stages IA non-small cell lung cancer (NSCLC) and IB NSCLC include:
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Surgery.
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Adjuvant therapy.
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Adjuvant therapy.
Adjuvant chemotherapy (for patients with large stage IB tumors).
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Adjuvant therapy.
Adjuvant targeted therapy (for patients with stage IB tumors and EGFR variants).
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Adjuvant therapy.
Adjuvant targeted therapy (for patients with stage IB tumors and ALK variants).
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Adjuvant therapy.
Adjuvant immunotherapy (for patients with stage IB tumors >4 cm).
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Radiation therapy (for patients who cannot have surgery or choose not to have surgery).
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Chemotherapy and radiation therapy have not been shown to improve survival in patients with stage I NSCLC that has been completely resected.
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Preserved source evidence · Not medical advice