title: Role of prophylactic cranial irradiation in prevention of central nervous system metastases in small cell lung cancer. Potential benefit restricted to patients with complete response.
mesh_terms: D000368:Aged; D018288:Carcinoma, Small Cell / Q000532:radiotherapy*; D002493:Central Nervous System Diseases / Q000401:mortality / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy*; D008297:Male; D008875:Middle Aged; D009423:Nervous System Neoplasms / Q000401:mortality / Q000517:prevention & control*; D011878:Radiotherapy / Q000379:methods; D011879:Radiotherapy Dosage; D013997:Time Factors