[Randomized controlled study on adjuvant immunotherapy for unresectable lung cancer with Nocardia rubra cell wall skeleton].
D000368:Aged; D002473:Cell Wall / Q000276:immunology; D002986:Clinical Trials as Topic; D006801:Humans; D007167:Immunotherapy / Q000379:methods*; D008175:Lung Neoplasms / Q000276:immunology / Q000628:therapy*; D009615:Nocardia / Q000276:immunology*; D011897:Random Allocation