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. 2020 Jan 24;10:1137. doi: 10.1038/s41598-020-58094-4

Figure 4.

Figure 4

Change in breast form following post-mastectomy radiation therapy (PMRT). Panels (A–C) depict implant positioning relative to pectoralis major muscle in subpectoral and prepectoral breast reconstruction in patients who did not undergo post-mastectomy radiation therapy (PMRT). Skeletal muscle fibrosis (panels D–F) is associated with PMRT and often results in the following clinical signs after subpectoral breast reconstruction: (I) superolateral displacement of nipple areolar complex, (II) dimpling or creasing of the soft tissue envelope at the level of the pectoralis major muscle, (III) flattening of inferior pole projection, and (IV) axillary fold crease.