1Update and interpretation of the 2021 Guidelines for the Diagnosis and Treatment of Breast Cancer by Chinese Society of Clinical Oncology ( CSCO )HUANG Xiang, JIANG Mengping, BAO Shengnan, YIN Yongmei209-2152The progress ofoncoplastic breast conservation and breast reconstruction for breast cancerLYU Jianxin, ZHANG Yanan216-219,2243Risk factors of pathological upstaging for ductal carcinoma in situ diagnosed by core needle biopsyLI Yan, WANG Jue, CHEN Rui, LI Shuo, SHI Xiaoqing, XU Yinggang, ZHANG Weiwei, ZHA Xiaoming220-2244Research progress of mastoscopy in the surgical treatment of breast cancerWANG Haiqiang, LIU Xue-min225-2285In vivo exploration of axillary reverse mappingZHU Qiannan, WANG Jue, CHEN Rui, ZHA Xiaoming, SHI Yuenian, WANG Shui229-2336The curative effect of nipple-areola complex sparing mastectomy in early breast cancerWANG Dandan, ZHANG Heda, YANG Sujin, ZHANG Jian234-2367Research progress of 28-gene detection of early breast cancer in AsiaCHEN Keyu, WANG Xiaojia, HUANG Jiahuan237-2418Relationship between circulating tumor cells and clinicopathologic characteristics with breast cancerWANG Jian, LYU Xu, WU Zhoujiangli, ZHANG Tao, SHAO Rongjin242-2459MRI findings and pathological analysis of the breast phyllodes tumorsPAN Zhiyuan, ZHANG Chunhong, YAO Xiaojun, YUAN Min246-25010Current status of PI3K inhibitors in the treatment of breast cancerGONG Yuanhe, MA Jinzhu251-25411Correlation between insulin-like growth factor IGF and breast cancerZHANG Junying, ZHANG Yuan, MA Rong, CHEN Dan, CAO Haixia, JING Changwen, WANG Zhuo, LIU Siwen, WU Jianzhong255-25712Clinical analysis of 27 cases of pulmonary embolism after breast cancer surgeryCHEN Renxiong, WANG Hongzhi258-26013Comparison of short-term efficacy between 3D totally laparoscopic and laparoscopy-assisted radical total gastrectomyYAN Dongyi, ZHANG Shun, YUAN Biao, YANG Yao, YIN Hua, JIANG Xiaohua, SONG Chun261-26614The investigation of β-elemene on proliferation, apoptosis and autophagy of human osteosarcoma 143B cellsZHAO Ming, ZHOU Zhuang, QI Dianwen, SUN Tao, GUO Changzhi, ZHAO Guisong, MA Tianxiao, LIU Siyuan, HU Tongyu, ZHANG Guochuan267-27115Clinical features of 188 cases with malignant tumor complicated with hyperuricemiaZHUANG Xiufen, XIANG Min, SUN Wen, SHI Lin, LI Xiaoqin, HU Xiao272-27716Application of total laparoscopic NOSES operation in rectal cancer and short-term effect analysisSUN Lishan, ZHAO Bao, DONG Lei, WANG Xuedong278-28217Correlation betweenpolymorphisms of CD44 and NQO1 gene andlung cancer susceptibility and prognosis of chemotherapyDAI Jianming, XIE Zhibi283-28618Comparison of ddPCR and Sanger sequencing for detecting the BRAF V600E mutation in papillary thyroid carcinomaSHI Yun, WANG Zhuo287-29019The relationship between the expression of MACC1 in tissues and the clinicopathological features of gastric cancerHOU Bo, LIANG Shuang, JI Xiaoyan291-29520The value of β-catenin in predicting metastasis of differentiated thyroid carcinomaFENG Duo, XU Fei, LIU Yao, ZOU Tianhui, WANG Huanyu, ZOU Jiawei296-300