Whether the addition of para-aortic nodal dissection (PAND) to D2 lymphadenectomy for stage T2, T3, or T4 tumors improves survival is controversial.

• 对T2、T3以及T4期胃癌患者实施增加主动脉旁淋巴结清扫的D2根治术是否能提高生存率尚未达成共识。