No abstract available
MeSH terms
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Adenocarcinoma / diagnosis
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Adenocarcinoma / pathology
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Biopsy, Needle
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Carcinoid Tumor / diagnosis
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Carcinoid Tumor / pathology*
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Colonoscopy
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Diagnosis, Differential
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Humans
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Intestinal Mucosa / pathology
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Male
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Middle Aged
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Rectal Neoplasms / diagnosis
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Rectal Neoplasms / pathology*