Would you include ipsilateral nodes in adjuvant RT for bulky Mammary Analogue Secretory Carcinoma of salivary gland?

I assume that the bulky lesion was dissected, likely by superficial parotidectomy (if it arose in the parotid gland), and that postop RT is indicated in this low-grade tumor due to positive/close margins or facial n involvement. While the risk of LN metas is small, the inclusion in the targets of ip...