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. 2014 Mar 3;9(3):e89754. doi: 10.1371/journal.pone.0089754

Figure 2. The tumor resection site is marked by a minimum of three fiducial markers placed circumferentially.

Figure 2

Electrocautery will cause necrosis of mucosa immediately adjacent to the resection site (purple). For this reason, we place the fiducial markers into healthy mucosa ∼5–10 mm lateral to the resection margin (“X”).