How would you approach radiation therapy for indolent T-cell lymphoproliferative disorder of the gastrointestinal tract?

Indolent T-cell lymphoproliferative disorder of the GI tract was a provisional entity in the 4th edition of the WHO classification system. In the 5th edition, the disease has been renamed, "Indolent T-cell lymphoma of the GI tract" (Alaggio et al., PMID 35732829). The disease is rare, often mimickin...