Clinical practice guidelines for pre-operative evaluation of breast cancer: Chinese Society of Breast Surgery (CSBrS) practice guidelines 2021

Breast cancer is the most common cancer in women in China.Since Halsted introduced radical mastectomy,surgery has remained the cornerstone of breast cancer treatment.Before performing such surgery,a comprehensive and standardized evaluation should be undertaken.This should include identification of factors that could increase the risk of surgery or prejudice recovery,as well as factors that may affect the subsequent course of the disease.The Chinese Society of Breast Surgery(CSBrS)has conducted a literature review and experts have discussed key clinical issues related to standardizing pre-operative evaluation of patients with breast cancer;evaluated the relevant evidence with reference to the grading of recommendations assessment,development,and evaluation system;combined the accessibility under China's national conditions;and formulated the following written Clinical Practice Guidelines for Pre-operative Evaluation of Breast Cancer(2021 Edition)with the aim of providing a reference for Chinese breast surgeons.