No abstract available
MeSH terms
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Adult
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Diagnostic Imaging
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Hemangiopericytoma / diagnosis*
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Hemangiopericytoma / pathology
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Hemangiopericytoma / surgery
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Humans
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Male
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Neoplasm Invasiveness
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Rectal Neoplasms / pathology
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Retroperitoneal Neoplasms / diagnosis*
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Retroperitoneal Neoplasms / pathology
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Retroperitoneal Neoplasms / surgery