The Radiation Pneumonitis Treatment segmentation by application distinguishes three primary clinical settings: curative intent radiotherapy, palliative radiotherapy, and preventive management. In curative intent radiotherapy, treatment is administered to eradicate malignant tissue, and the incidence of pneumonitis drives substantial demand for anti‑inflammatory agents, corticosteroid regimens, and emerging biologics, representing roughly 45% of total market revenue. Palliative radiotherapy, aimed at symptom relief, accounts for about 35% of the market; here, clinicians prioritize rapid‑onset therapies and dose‑modulation techniques that mitigate lung toxicity while preserving quality of life. Preventive management, encompassing prophylactic pharmacotherapy and advanced imaging‑guided dose planning, contributes the remaining 20%, reflecting growing investment in risk‑stratification tools and early‑intervention protocols. Collectively, these application categories shape investment priorities, R&D pipelines, and pricing dynamics across the Radiation Pneumonitis Treatment market.