4.4.6 Inner Mammary Outpost Lymph Node Biopsy
As an important metastasis pathway after the lymph nodes of the armpits，the metastasis status of the inner mammary outpost lymph nodes（IMLN）is an important basis for determining the clinical/pathological stages of breast cancer，determining prognosis and formulating complementary treatment options.The NCCN Clinical Practice Guide for Breast Cancer takes the pathological status of IMLN as one of the basis forstaged breast cancer and determining complementary treatment options.With the continuous development of breast cancer surgical diagnosis and treatment technology，the importance of IMLN biopsy has undergone the evolution of the process of paying attention to，ignoring and re-evaluating.In the 1950s，the emergence of breast cancer to expand the cure，so that IMLN cleaning has become an important part of breast cancer surgery treatment；At present，the treatment of primary cancer and armpit lymph nodes is close to the level of individualization，but the best treatment of IMLN is still controversial.
Case Analysis 4
Medical history，auxiliary examination and medical examination are detailed in case analysis 1.The case was injected within the dermal region of the metamethy blue mast，and the outpost lymph node selithes well.(https://www.daowen.com)
（Yang Liu Maohua Wang Kai Zheng Yiyin Tang Wenlin Chen）