How would you utilize adjuvant radiation therapy in a patient with a cutaneous spindle cell neoplasm of the scalp metastatic to the parotid gland?

A lot will depend upon how “total” the parotidectomy really was. If the deep lobe was resected and the facial nerve sacrificed with totally negative margins I would be content to utilize careful observation with no postoperative radiation therapy to the parotid bed. If only a superficial parotidecto...