Frailty and major head and neck surgery – a growing problem in an aging population? .ical 09-11, 09:00–10:00 (Europe/Istanbul), Head & Neck Surgery 1 Andreas Dietz This speaker also appears in: EHNS Symposium - Surgical Margins Head and neck Cancer International Group (HNCIG) session: Trials and tribulations of trials: lessons learnt and practical tips Dietmar Thurnher This speaker also appears in: Management of advanced oral cancer