1Changes of lymphocyte subsets and natural killer cells in HCC patients treated by transcatheter arterial chemoembolization combined with sequential radiofrequency ablationYU Hui, XI Wei, WU Bei, FENG Guodong, YIN Guowen, CHEN Jun343-3462Expression of aldehyde dehydrogenase1a1 in early human pancreatic cancer and its significanceWANG Wenwen, WAN Jiayi, XIAO Yan, WU Lianghua, MIAO Jianhua347-3503Application of 3D printed prosthesis in limb salvage surgery for osteosarcoma with preservation of the epiphysis in children: a report of 1 caseKANG Jianping, XIAO Yanbin, DONG Suwei, LI Wenzhong, ZHANG Yangjie, LI Cairong351-3544Comparison of minimally invasive and open local resection for benign phyllodes tumors of breastLIANG Lichun, MO Chunsheng, LI Juanjuan, KONG Zhihua, HONG Qiang355-3585Application analysis of totally endoscopic surgery for papillary thyroid microcarcinoma with central compartment neck dissectionQIU Zhigang, LIU Weiguo, ZHANG Jianli, SUN Zhenqing, WANG Zhengkun, LIU Xichun, ZHANG Min359-361,3646Clinical efficacy of ipratropium bromide inhalation and ambroxol hydrochloride intravenous injection in prevention of postoperative pulmonary complications in two incisions of thoracic and abdominal esophageal cancer surgeryDUAN Chao, LI Xiaolin, YOU Qingjun, WANG Jiawei362-3647Curative effects of laparoscope combined with gastroscope in treatment of gastroinstestinal stromal tumorGAO Wenjie, FENG Jianzhong367-3698Analysis of risk factors of cholecystitis in elder patients after radical gastrectomy for gastric cancerNIE Mengliang, LI Ming, YANG Meng, YUAN Nianyong373-3759Neoadjuvant chemotherapy combined with limb salvage in the treatment of osteosarcoma in extremitiesLI Gang, JIN Lianjin, LI Jing, FENG Chen, ZHENG Kewen, TIAN Li376-37910Application of gentamicin combined with presacral drainage tube in prevention of anastomotic leakage after rectal cancer operationWU Lipeng, ZHANG Jianwen, TAN Guanqiao383-38511Analysis on relevant multi-factors of benign meningioma relapse after surgeryXU Chenyang, LI Zhenjiang, HE Tao, DING Bingqian386-388 