No abstract available
MeSH terms
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Adult
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Colonic Neoplasms / complications
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Colonic Neoplasms / diagnosis
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Colonic Neoplasms / diagnostic imaging*
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Colonic Neoplasms / pathology
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Colonoscopy
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Gastrointestinal Hemorrhage / etiology
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Humans
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Lymphoma, Non-Hodgkin / complications
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Lymphoma, Non-Hodgkin / diagnosis
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Lymphoma, Non-Hodgkin / diagnostic imaging*
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Lymphoma, Non-Hodgkin / pathology
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Male
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Positron-Emission Tomography*
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Rectum