title: Prophylactic cranial irradiation in small cell carcinoma of the lung.
mesh_terms: D000368:Aged; D001932:Brain Neoplasms / Q000532:radiotherapy* / Q000556:secondary; D018288:Carcinoma, Small Cell / Q000532:radiotherapy* / Q000556:secondary; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008175:Lung Neoplasms; D008297:Male; D008875:Middle Aged; D010166:Palliative Care; D011379:Prognosis