Fig. 2

Images of incisions created during the single-port insufflation endoscopic breast-conserving surgery and conventional breast-conserving surgery. a, b The single-port incision is hidden by the upper limb and axillary fossa. The elegant appearance after the operation is evident from the front and lateral photographs. No scar is observed from the front. The black arrow indicates the hidden single-port scar in the lateral photo. c, d Routine breast-conserving surgery leaves two obvious incisions on the axillary fossa and the breast surface. e A 55-year-old woman with left breast cancer in the upper outer quadrant. The operation method was lumpectomy plus sentinel lymph node biopsy. Postoperative follow-up photographs taken at 12 months are shown. f A 68-year-old woman with left breast cancer in the upper outer quadrant. The operation method was lumpectomy plus sentinel lymph node biopsy. Postoperative follow-up photographs taken at 12 months are shown