Clinical Research Directory

Inclusion Criteria: 1. Age ≤ 75 years; 2. GGN patients with the maximum axial diameter of the lesion in the lung window ≤ 3 cm; 3. Refusing radical surgery or being unable to tolerate surgical treatment; 4. Normal coagulation function, platelet count ≥ 60 × 109 /L; 5. ECOG score ≤ 2 points; Exclusion Criteria: 1. Patients with the maximum axial diameter of the lesion in the lung window greater than 3 cm 2. Platelets \<50×109 /L 3. Patients with severe bleeding tendency and coagulation dysfunction that cannot be corrected in the short term 4. Severe chronic obstructive pulmonary disease, emphysema, pulmonary fibrosis and pulmonary hypertension 5. Patients whose anticoagulant therapy or antiplatelet drugs have been discontinued for less than 5 days before ablation 6. Patients with severe heart, liver, kidney and brain dysfunction 7. Patients with severe anemia, dehydration and cachexia that cannot be corrected or improved in the short term 8. Patients with an estimated survival period of less than 6 months