No abstract available
MeSH terms
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Aged
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Carcinoma, Squamous Cell / complications
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Carcinoma, Squamous Cell / pathology*
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Humans
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Keratosis, Seborrheic / complications
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Keratosis, Seborrheic / pathology*
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Male
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Sigmoid Neoplasms / complications
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Sigmoid Neoplasms / pathology*