A Single-center Study on the Effect of Systemic/Selective Lymph Node Dissection on the Prognosis of Ground Glass Nodules Smaller Than 3cm and With Components With Consolidation/Tumor Ratio Between 0.5-1

Exclusion Criteria

• •1\. Patients with a history of lung surgery;
• •2\. Postoperative pathology showed non-primary lung cancer;
• •3\. The scope of surgical resection is larger than one lung lobe;
• •4\. Patients with a history of other tumors;
• •5\. Patients with severe complications (coronary heart disease, valvular heart disease, end-stage renal disease, severe liver cirrhosis);
• •6\. Unable to cooperate with the researchers because of dementia or cognitive decline
• •7\. Other situations that are not in conformity with the standards and requirements of this trial.