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Radiation therapy
Source: Non-Small Cell Lung Cancer Treatment (PDQ®)–Health Professional Version, National Cancer Institute.
Source updated: May 15, 2025 · Captured 2026-09-09.
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Context: Treatment of Stages IA and IB NSCLC / Treatment Options for Stages IA and IB NSCLC
A substantial number of patients are ineligible for standard surgical resection because of comorbid conditions that are associated with unacceptably high perioperative risk. Patients with potentially resectable tumors with medical contraindications to surgery or those with inoperable stage I disease and with sufficient pulmonary reserve may be candidates for radiation therapy with curative intent.[17-19] Nonrandomized observational studies comparing treatment outcomes associated with resection, radiation therapy, and observation have demonstrated shorter survival times and higher mortality for patients who undergo observation only.[17,20]
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