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

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

Inclusion Criteria:

Patients enrolled in the study must meet all of the following conditions:

• 1.Aged between 25 and 75 years;
• 2. GGO is diagnosed by thin-section lung CT (thickness <1.5mm) within one month before surgery;
• 3. The maximum diameter of the GGO is smaller than 3cm;
• 4. The solid component in GGO between 50%-100%;
• 5. Preoperative examination showed that the patient could tolerate lobectomy;
• 6. The patient is able to understand and comply with the study and has provided written informed consent.

Exclusion Criteria:

Patients meeting any of the following criteria are not eligible for this trial:

• 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.

open label