Diagnostic Value and Safety of Combined Biopsy for Mediastinal Metastasis of Lung Cancer

Inclusion Criteria

• •1. Aged ≥18 years;
• •2. Presence of at least one mediastinal lesion (short-axis diameter ≥10 mm) confirmed by thin-slice chest CT;
• •3. Patients who have not undergone prior mediastinal biopsy and require further mediastinal biopsy to confirm etiology or pathological subtype, meeting at least one of the following criterias:
• •(1) suspected lung cancer diagnosed by two senior physicians; (2) confirmed lung cancer (requiring mediastinal staging); (3) recurrent lung cancer; 4.Patients must have completed all required preoperative laboratory tests and necessary examinations (e.g., cardiac ultrasound, CTA) to rule out contraindications; 5. Patients are informed and capable of providing written informed consent.