To Evaluate the Efficacy and Safety of Gefitinib in Adjuvant Chemotherapy for Lung Adenocarcinoma

Inclusion Criteria:

1. The pathological diagnosis is non-squamous cell carcinoma and non-small cell lung cancer. The pre-treatment tumor stage is stage II-IIIA;
2. The gene detects EGFR mutations is positive;
3. The age is between 18-70 years;
4. ECOG 0-1;
5. Liver and kidney function and Bone marrow hematopoiesis is normal;
6. There are no serious systemic, respiratory, cardiovascular and other important systemic dysfunctions and severe malnutrition;
7. No other malignant diseases within 5 years;
8. Patients who have not received radiotherapy, systemic chemotherapy, or biological therapy;
9. Understand the whole process of the trial and voluntarily participate in and sign the informed consent form.

Exclusion Criteria:

1. The tumor has invaded the surrounding tissue;
2. Preoperative evidence suggests that distant metastases of the lesion include contralateral mediastinal lymph node metastasis;
3. Arrhythmias require anti-arrhythmia therapy (β-blocker or digoxin Except), symptomatic coronary artery disease or myocardium. Ischemic or congestive heart failure exceeds NYHA class II;
4. severe hypertension with poor drug control;
5. moderate to severe proteinuria;
6. HIV fluHistory of infection or active chronic hepatitis B or C;
7. Malnutrition, decompensation of organ function;
8. History of chest radiotherapy;
9. Incomplete inflammation of eyes;
10. Patients with seizures that need to be treated;
11. Interstitial pneumonia;
12. Drug abuse and others that may interfere with patients' participation in the study or studyThe assessment of the results has an impact;
13. Allergies to the study drug are known or suspected to be allergic to or administered to any drug associated with this test;
14. Any instability. The condition of the patient may jeopardize patient safety and compliance;
15. Pregnancy or breastfeeding women and having fertility without adequate contraception.