No abstract available
Keywords:
Anorectal melanoma; malignant melanoma; rectal bleeding.
MeSH terms
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Aged
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Female
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Gastrointestinal Hemorrhage / diagnosis*
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Gastrointestinal Hemorrhage / surgery
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Humans
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Melanoma / diagnosis*
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Melanoma / surgery
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Rectal Neoplasms / diagnosis*
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Rectal Neoplasms / surgery
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Sigmoidoscopy