Would you consider elective neck nodal irradiation for a large >5 cm head and neck extramedullary solitary plasmacytoma arising from the nasal cavity?  

A plasmocytoma in the nasal cavity may bear a higher risk for nodal involvement if it involves Waldeyer's ring or nasopharynx.Adding ENI to the neck will certainly increase the risk of toxicity and only lead to a modest benefit in terms of isolated regional recurrence. I wou...