1Advances in research on tumor heterogeneity:a hot topic in colorectal cancer researchHU Bang, REN Dong-lin571-5752Analysis of risk factors for anastomotic leakage in laparoscopic ultra?low anterior resection of rectal cancer: experience of 381 cases in a single institutionHU Gang, LIU Jun-guang, MEI Shi-wen576-5803A study on the efficacy of Da Vinci Robot System in intersphincteric resection of low rectal cancerHUANG Pan, LI Zheng-rong, CAO Yi581-5854Evaluation of application effects of ultrasonic scalpel combined with bipolar coagulation in laparoscopic lateral pelvic lymph node dissection for rectal cancerXUE Fei, XU Sheng, LI Xiao-fan586-5895Observation on the clinical effect of transumbilical single?incision laparoscopic radical resection of right colon cancerWU Jian-guo, LUO Jian-fei, DENG Wen-hong590-5936Comparison of the curative effects of robotic system and laparoscopy on colorectal cancer via natural orifice specimen extraction surgeryYUAN En-quan, XU Sheng, LIN Jia-wei594-5997Perioperative choices in surgical treatment of Crohn′s diseaseWAN Song-lin, CHEN Wen-hao, DING Zhao600-6038Expression of cancer?testis antigen NY?SAR?35 in colorectal cancer tissues and its clinical significanceWANG Yan-jing, SHEN Ning, LUO Bin604-6099Effects of standardized intrapartum antibiotic prophylaxis on maternal and infant outcomes in pregnant women with Streptococcus agalactiae colonizationLIN Rong, JIE Xiao-ting, WENG Xiao-ying609-61310A study on the differential expressions of atrial natriuretic peptide in physiological and pathological myocar? dial hypertrophy tissuesLI Zheng-kuan, SUN Zhan, BAO Ya-li614-61711Analysis on correlation of serum CXCL10 and CXCR3 expressions with the proportion of CD27+CD4+ T cells in patients with active pulmonary tuberculosisLI Jian-jun, WU Su-fang, BAI Feng-xi618-62212Application of intravenous anesthesia through precava in Bama mini?pigs for medium or minor operationsLI Ping-ping, DENG Da-zhi, HUANG Xue-mei622-62613An analysis on the clinical effect of femoral artery combined with innominate artery and left common carotid artery cannulation on treatment of patients with acute type A aortic dissectionWANG Chen, GE Jian-jun626-63014A study on association between triglyceride?glucose index and in?stent restenosis after percutaneous coronary intervention in patients with coronary heart diseaseCHEN Ling-ling, LI Bo631-63515Observation on the changes of dentognathic construction in adult skeletal class Ⅱ malocclusion patients with extracted camouflage fixed treatmentWANG Ling, HUANG Min-fang, RAO Ming-cong636-64116Comparison of clinical effects of two different types of disposable circumcision suture devices in circumcisionLI Kui, SUN Yan-bo, WANG Feng-yao641-64517Analysis on the risk factors of massive cerebral infarction after intracranial aneurysm surgeryZHU Guang-sheng, HUANG Hui-xia, CHEN Bin645-64818Research progress on the role of chronic stress in vascular intimal hyperplasia and its molecular mechanismWANG Zheng658-66119Research progress on the relationship between tumor metastasis associated gene 1 and gynecological malignant tumorsSONG Zhen662-66520Advances in research on the prevention and treatment of nausea and vomiting after total hip or knee arthro? plastyHUANG Xiao666-669 