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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Sep 28, 2014; 20(36): 13052-13059
Published online Sep 28, 2014. doi: 10.3748/wjg.v20.i36.13052
Figure 1
Figure 1 Anal squamous cell carcinoma (Courtesy of Richard Billingham, MD).
Figure 2
Figure 2 Anal melanoma (Courtesy of Richard Billingham, MD).
Figure 3
Figure 3 Anal intraepithelial neoplasia (Courtesy of Richard Billingham, MD).