Overview The Optimal Intervention Time of Radiotherapy for Oligometastatic Stage IV Non-small Cell Lung Cancer(NSCLC) Status: Recruiting Trial end date: 2020-10-01 Target enrollment: Participant gender: Summary This study evaluates the optimal intervention time of radiotherapy for oligometastatic stage iv lung cancer. Phase: Phase 3 Details Lead Sponsor: Sichuan Cancer Hospital and Research InstituteCollaborators: Cancer Hospital of Guizhou ProvinceMianyang Central HospitalTreatments: CisplatinDocetaxelPemetrexed