To Establish a Molecular Typing System for Early Diagnosis of Lung Cancer

Summary

This topic to take large multicenter study real world, the advanced liquid biopsy will ctDNA methylation detection technique is applied to pulmonary nodules differential diagnosis and early lung cancer screening, validation of early lung cancer screening and diagnosis of molecular classification system model, the feasibility of the development of early lung cancer screening and diagnosis of molecular classification system, improve its early screening early detection accuracy and efficiency, Improve the survival status of lung cancer high-risk population. At the same time, this project combined AI analysis technology of LDCT image results with ctDNA methylation detection, so as to overcome false negatives caused by the deficiency of ctDNA methylation detection technology in sensitivity, specificity, stability and flux, and correct false positive results that may be caused by AI analysis technology of LDCT image results. The combination of the two can avoid missed diagnosis and over - examination and over - treatment.

Eligibility

Inclusion Criteria:

1. Patients with pulmonary nodules confirmed by chest CT are not limited to single nodules;
2. Nodule diameter 5-30mm
3. Nodules include solid, semi-solid and ground glass nodules;
4. Age 18-75, no gender limitation;
5. The newly diagnosed patients did not receive surgery, radiotherapy, chemotherapy, targeted therapy or other tumor-related interventions;
6. Sign informed consent.

Exclusion Criteria:

1. Patients with diagnosed lung cancer and extrapulmonary malignant tumor;
2. Pulmonary sarcoidosis, pulmonary vasculitis, pulmonary tuberculosis;
3. Patients with poor compliance are expected to be unable to complete follow-up according to the study protocol;
4. Major trauma requiring blood transfusion occurred within one week before enrollment;
5. Pregnant and lactation patients.

Conditions2

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