Segmentectomy for Solid-dominant Lung Cancer

Summary

This is a clinical trial from Eastern Cooperative Thoracic Oncology Project (ECTOP), numbered as ECTOP-1025. The goal of this clinical trial is to confirm the theraputic effect of segmentectomy for solid-dominant invasive lung cancer with size of 2-3cm. The main questions it aims to answer are: * The 5-year disease-free survival of patients having solid-dominant invasive lung cancer with size of 2-3cm; * The post-operative lung function tests after receiving segmentectomy. Participants will receive segmentectomy as the surgical procedure.

Eligibility

Inclusion Criteria:

* 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;
* Confirmed to be invasive lung adenocarcinoma intraoperatively or postoperatively;
* Ground glass-dominant lung nodules
* Consolidation-to-tumor ratio (CTR) ranges from 0.5 to 1, and tumor size ranges from 2 to 3cm;
* cN0 without distant metastasis;
* Tumors could be completely resected assed by surgeons;
* Not receiving chemotherapy or radiotherapy before.

Exclusion Criteria:

* CTR is not 0.5-1, or size is not 2-3cm;
* Tumors could not be completely resected assed by surgeons;
* Not lung adenocarcinoma diagnosed cytologically or pathologically;
* Receiving lung cancer surgery before;
* Receiving radiotherapy or chemotherapy.

Conditions4

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