<b>Risk factors and bacterial spectrum postoperative infections after esophageal tumor surgery in patients with aged ≥60 years</b>

<b>Purpose</b> Patients after esophageal tumor surgery (ETS) are at increased risk of infectious complications and postoperative infections (PI) are also a common complication of ETS in the ≥60 years old.**研究目的**：食管肿瘤手术（esophageal tumor surgery, ETS）后的患者发生感染并发症的风险显著升高；术后感染（postoperative infections, PI）同样是60岁及以上接受食管肿瘤手术患者的常见并发症。