Plasma Proteomic Biomarkers for Early Diagnosis of Lung Cancer

We will identify plasma proteomics biomarkers for early diagnosis of lung cancer.

Inclusion Criteria:CT screening results showed that the size of pulmonary nodules was more than 5mm; No treatment related to pulmonary nodules/lung cancer (including surgery, chemotherapy, radiotherapy, targeted therapy, immunotherapy, interventional therapy, etc.); Complete clinical and imaging data; Chest CT/ low-dose spiral CT reports can be provided in the last 3 months; Voluntarily sign informed consent.Exclusion Criteria:There is a history of tumor; Clinically uncontrolled active infections, such as acute pneumonia, tuberculosis, etc.; Received any treatment related to pulmonary nodules, such as antibiotics and hormones, in the past 4 weeks; Complicated with other tumors and serious diseases of the heart, liver, kidney, brain, blood and other systems; Participated in other clinical trials within the last 3 months; Combined with liver and kidney insufficiency, hypoproteinemia and other diseases affecting protein content; You are pregnant or breastfeeding