Colon A: Slide 17
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| Adenocarcinoma arising in a villous adenoma Because of the large size of these lesions, the presence of a focus of adenocarcinoma cannot be assessed adequately by the taking of biopsy samples. |
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| Adenocarcinoma arising in a villous adenoma Because of the large size of these lesions, the presence of a focus of adenocarcinoma cannot be assessed adequately by the taking of biopsy samples. |