Enroll Participants~Collect PET/CT Images~Images Analysis~Statistical Analysis
This study is a retrospective study, screening patients with systemic PET / CT scan in our department, enrolling the ones who meet the criteria, collect their information and resting state brain PET images.Then make the brain metabolic network analysis and statistical analysis to explore the PET brain metabolic network of non-small cell lung cancer patients and the effect of chemotherapy drugs on brain metabolic network in patients with advanced lung cancer.