Are there any situations in which you would treat a cutaneous in-situ squamous cell carcinoma of the head and neck with radiation?  

Primary radiotherapy (RT) is generally not indicated for carcinoma in-situ (CIS) or pre-invasive malignancies for which surgical resection aimed at achieving negative margin is the mainstay approach. Even if the patient were inoperable or the tumor was unresectable (two distinct scenarios), active s...