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. 2023 Apr 3;280(7):3393–3403. doi: 10.1007/s00405-023-07939-5

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Fig. 3 — Transcutaneous optical SN detection with the EleVision system. Optical imaging of the injection site of a cT1N0M0 lesion in the left FOM (A). In the neck, bilateral drainage to level 1b was observed and both SNs could be visualized through the skin prior to surgery (B, C). Intraoperative optical of the right SN in level 1b (D) and ex vivo imaging of the left (E) and right (F) SN