Would you treat a patient with definitive local XRT without systemic therapy if he/she presents with pathology showing a PTCL NOS from a small (1.5 cm) lesion of the skin of the chin?

For background, there are several T-cell primary cutaneous lymphomas. Several are treated routinely with radiation therapy alone, including primary cutaneous anaplastic large cell lymphoma (ALCL) and primary cutaneous CD4 positive small/medium T-cell lymphoma. Other T-cell primary cutaneous lymphoma...