774 NeoPOWER: A phase II study of neoadjuvant PD-1 blockade with cemiplimab in high risk localized, locally recurrent and regionally advanced cutaneous squamous cell carcinoma
774 NeoPOWER: A phase II study of neoadjuvant PD-1 blockade with cemiplimab in high risk localized, locally recurrent and regionally advanced cutaneous squamous cell carcinoma