What are your radiotherapy recommendations for a unilateral primary intraocular large B-cell lymphoma following high-dose methotrexate and rituximab?

Primary intraocular lymphoma is quite rare without standard treatment guidelines. As PCNSL often involves the globe, at initial diagnosis and/or at relapse, I view isolated intraocular disease as a subset of primary CNS lymphoma. HD-MTX regimens are typically utilized. As the disease is localized, c...