Fig. 1

The photos of the operation process for ILM group. a Prior the surgery, indicating lines were drawn in the operation field. Dotted direct lines indicated the border of musculi pectoralis major (the upper line, upper whiter arrow) and latissimus dorsi (the lower line, lower white arrow), the dotted circle indicated the border of the tumor, “X” indicated the targeted positions for the three trocars, and the continuous spindle-shaped line indicated the targeted incision route for mastectomy. b Enlargement of the inset (red rectangle) in Fig. 1a. The thick black arrow indicated the point for the fine needle biopsy, the dotted circle indicates the border of the tumor, and the thin black arrows pointed to the injection site for carbon nanoparticles