Preoperative and postoperative irradiation for cancer of the lung.
D002986:Clinical Trials as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery; D011182:Postoperative Care; D011300:Preoperative Care; D011379:Prognosis; D011446:Prospective Studies; D011897:Random Allocation