No abstract available
MeSH terms
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Aged
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Anus Neoplasms / diagnosis*
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Anus Neoplasms / surgery
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Carcinoma, Squamous Cell / diagnosis*
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Carcinoma, Squamous Cell / surgery
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Colonoscopy / methods*
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Dissection / methods*
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Female
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Humans
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Intestinal Mucosa / pathology
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Intestinal Mucosa / surgery*
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Neoplasm Staging
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Time Factors