Comparing the Prognosis of Patients With Cardia and Non-cardia Gastric Cancer.

Inclusion Criteria: 1. Histopathology or cytopathology proven cardia or non-cardia gastric cancer; 2. Operable gastric cancer patients: primary lesions can be completely excision, no distant metastasis; 3. Life expectancy of at least 6 months; 4. ECOG（Eastern Cooperative Oncology Group ） score 0-1; 5. Age: 18\~80 years old; 6. Normal hemodynamic indices before the recruitment (including blood cell count and liver/kidney function). For example: WBC（White blood cell count ）\>4.0×109/L; NEU（Neutrophils）\>1.5×109/L; PLT（Platelet）\>100×109/L; 7. Roughly normal cardiopulmonary function: No coronary heart disease, myocardial infarction, pulmonary heart disease, refractory hypertension; 8. Not concomitant with other uncontrollable benign diseases before the recruitment; 9. Voluntarily signed the informed consent. Exclusion Criteria: 1. Advanced gastric cancer patients with distant metastasis and inoperable ; 2. Pregnant or lactating women; 3. Patients who have no desire to participate in the study.