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Retrospective Study
Copyright: ©Author(s) 2026.
World J Clin Oncol. Sep 24, 2026; 17(9): 125491
Published online Sep 24, 2026. doi: 10.5306/wjco.125491
Figure 3
Figure 3 Case 2. A: Colonoscopy at diagnosis; B: Colonoscopy after completion of immune checkpoint inhibitor therapy, showing the site of prior tattoo marking.


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