This is a clinical trial from Eastern Cooperative Thoracic Oncology Project (ECTOP), numbered as ECTOP-1019. The goal of this clinical trial is to confirm the therapeutic effect of sublobar resection for AIS/MIA diagnosed by intraoperative frozen section.
Patients who sign the informed consent form and are willing to complete the study according to the plan;
Aged from 18 to 80 years old;
ECOG equals 0 or 1;
Not receiving lung cancer surgery before;
Not cT1N0M0;
Cannot be completely resected by sublobar resection;
Invasive lung adenocarcinoma or not lung adenocarcinoma diagnosed cytologically or pathologically;
Receiving lung cancer surgery before;
Single group
Sublobar Resection
Procedure/SurgerySublobar Resection includes segmentectomy and wedge resection
5-year recurrence-free survival
The event is defined as the tumor recurrence.
5-year overall survival
The event is defined as the death due to any causes.
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