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Benign form of necrotizing enterocolitis.

Significant bowel necrosis does not occur in the benign form of necrotizing enterocolitis.Seven cases are presented which can be placed in this category.The radiographic findings in this group include bowel dilatation, pneumatosis intestinalis, and portal venous gas.A benign prognosis may be suggested when pneumatosis intestinalis is present without bowel dilatation.