Conclusions: COPD can remarkably enhance POPCs in patients with cardiac cancer and FEV1% pred can be an independent indicator of patients at high risk for complication.

• 结论COPD可使贲门癌术后肺部并发症增多，且手术风险与COPD的严重程度有关；第1秒用力呼气量预计值(FEV1%25)可作为贲门癌手术安全性的预测因素；