title: Radiotherapy in lung cancer.
mesh_terms: D001918:Brachytherapy / Q000379:methods; D001932:Brain Neoplasms / Q000378:metabolism / Q000532:radiotherapy*; D018288:Carcinoma, Small Cell / Q000532:radiotherapy*; D004307:Dose-Response Relationship, Radiation; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy*; D009362:Neoplasm Metastasis / Q000532:radiotherapy