As the risk factors, lower limbs deep venous thrombosis was related closely to PTE.
下肢深静脉血栓作为主要的危险因素，与pte的发生密切相关。
Early posteroperative complications appeared in 15 cases such as pulmonary infection, lower limbs deep venous thrombosis, etc. The incidence rate of complications was 16%.
术后发生早期并发症15例，包括肺部感染、深静脉血栓形成等，发生率为16%。
The morbidity of postoperative complication: incision infection in 6 cases, pneumonia in 3 cases, urethritis in 4 cases and left lower limbs deep venous thrombosis in 1 case.
术后并发症发生率：切口感染6例，肺部感染3例，泌尿系统感染4例，左下肢深静脉血栓形成1例。
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