This study was supported by the National Natural Science Foundation of China (No.30700805 and No.81272643) and the Young Teacher Training Project of Sun Yat-sen University (No.09ykpy49).
Background Prophylactic para-aortic nodal dissection (PAND) has no proven benefits for potentially curable advanced gastric cancer.However,the value of therapeutic PAND for involved para-aortic nodes (PANs) in pat...