Assertion: orbital lymphoma | /r/HasProperty | 50-78% of cases
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text: Orbital lymphoma is a B-cell non-Hodgkin lymphoma, and in most cases arises from mucosa-associated lymphoid tissue (i.e. orbital adnexal MALT lymphoma (OAML)): 50-78% of cases in Western nations, and up to 90% of cases from Japan and Korea 1.