No abstract available
MeSH terms
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Anus Neoplasms / diagnosis*
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Anus Neoplasms / pathology
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Carcinoma, Squamous Cell / diagnosis*
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Carcinoma, Squamous Cell / pathology
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Colonoscopes
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Colonoscopy / methods*
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Diagnostic Imaging / instrumentation
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Female
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Humans
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Middle Aged
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Neoplasm Invasiveness