[Reply to "anal prolapse of a sigmoid lipoma"].
Pérez-Holanda
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Valverde
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Urdiales
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Calleja
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Tojo
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Fernández
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Fernández
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Martínez
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Rodríguez-Rubio
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Fernández-Muñiz
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D012809:Colon, Sigmoid; D006801:Humans; D008067:Lipoma / Q000150:complications* / Q000175:diagnosis; D012005:Rectal Prolapse / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D012811:Sigmoid Neoplasms / Q000150:complications* / Q000175:diagnosis