Head and Neck Surgery;
London;
UK;
University of Uyo Teaching Hospital;
Uyo;
Nigeria;
West Midlands Otolaryngology Head and Neck Surgery Training Programme;
Coventry;
Birmingham;
UK;
Head; Neck; Cancers; Epidemiology; Thyroid; Laryngeal; Oral; Pharyngeal; Cancers; UK; Incidence; Mortality;