No abstract available
MeSH terms
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Adenocarcinoma, Mucinous / etiology*
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Adenocarcinoma, Mucinous / pathology
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Adult
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Anus Neoplasms / etiology*
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Anus Neoplasms / pathology
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Biopsy
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Colonoscopy
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Crohn Disease / complications
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Crohn Disease / drug therapy
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Humans
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Immunosuppressive Agents / therapeutic use
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Magnetic Resonance Imaging
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Male
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Rectal Fistula / etiology*
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Rectal Fistula / pathology