Data show that breast cancer has surpassed lung cancer asthemost prevalent malignant tumor in the world, and traditional open surgery is highly invasive and has poor cosmetic results. This study investigates the results of endoscopic breast- conserving surgery(E-BCS) versus conventional breast-conserving surgery(C-BCS) in the treatment of patients with early-stage breast cancer and to compare the advantages and disadvantages of the two surgical procedures, so as to provide the best evidence for the rational choice of the procedure by both doctors and patients.
