1Update and interpretation of 2019 guideline of Chinese Society of Clinical Oncology (CSCO):Breast cancerLI Jianbin, JIANG Zefei155-1602Value of mixed reality technology for remote diagnosis and treatment of breast tumorSUN Tao, YOU Weiping, DENG Fei, LI Jian, TANG Jinhai161-1643Research progress of the relationship between breast cancer and heparin as well as its analoguesMA Sainan, LIANG Mingxing, LI Hao, TIAN Tian, WANG Cenzhu, DENG Fei, CHEN Xiu, ZHANG Wei, TANG Jinhai165-167,1774Research progress on the relationship between serum lipid level and breast cancer treatmentLU Qi, ZHU Yanhui, YANG Junzhe, WU Xian, WANG Xingmeng, YE Chaoran, CAI Ruyu, LIU Xiao'an168-1715Predictive ability of shear-wave elastography in upgrading ductal carcinoma in situ to invasive breast cancer under core needle biopsySUN Jin, ZHOU Fengsheng, DING Yan, WU Pengxi, ZHU Qiaoying172-1776Comparative analysis of clinical efficacy of ERAS and traditional perioperative management mode in robot-assisted assisted laparoscopic radical prostatectomyZHANG Feifei, ZHUANG Junlong, QIU Xue-feng, XU Linfeng, GUO Hongqian178-1827Kanglaite injection combined with chemotherapy on quality of life for patients with advanced non-small- cell lung cancer: A Meta-analysisCHEN Zhiqiang, LIN Ruiting, SUN Lingling, LI Jing183-189,1948Application of laparoscopic resection for rectal cancer in the preservation of left colic artery: A Meta-analysisZENG Xiangyun, XIONG Caiwen, JIAN Lisi, CHEN Shiwei, LUO Zhanbin190-1949Clinical application value of complete laparoscopic rectal valgus and rectal cancer with no auxiliary inci- sionHU Zikang, LI Wei, SU Chunzhi, WEI Wancheng195-19810Effect of thoracoscopic small incision resection on postoperative inflammatory response and pulmonary function in patients with esophageal cancerWANG Xinhui, HU Weicai198-20111Diagnostic value of CT-guided percutaneous biopsy in small pulmonary nodulesFENG Yong, QIAO Wei, ZHANG Xiuming, GAO Yang, ZHUANG Shan, ZHUANG Yiping, ZHANG Jin, SUN Lei, CHEN Jun202-20512Research of transanal total mesorectal resection assisted by laparoscope for the patients with rectal cancerZHANG Pengfei, ZHANG Kai206-20913Clinical comparison of laparoscopic total gastric D2 radical resection and laparotomy in the treatment of upper gastric cancerZHU Huaqing, GENG Mingfei209-21214Effect of general anesthesia combined with epidural block on postoperative cognitive function in elderly patients with rectal cancerGAO Zhenying, LIU Zhenhua, CAO Chunmei213-21615Research progress of Gut microbiota in regulating the therapeutic effect of cancerMA Weidong, XU Lin, JIANG Feng217-22016Diagnosis and treatment principles of cervical cancer in pregnancySHI Zhujun, WANG Jinhua, WU Dongchen, Nitish Beharee221-22517Biliometric analysis on diarrhea induced by chemotherapy among the year of 2009 to 2018 in ChinaYIN Yanlin, HE Hongxiao, LI Xianwen226-229 