Epithelial–myoepithelial carcinoma in the parotid gland with HRAS mutation: a case reportTaisei Yasudaa, Masami Osakia, and Masahiko Sugitaniba Department of Otolaryngology-Head and Neck Surgery, Ageo Central General Hospital, Saitama, Japanb Department of Pathology, Ageo Central General Hospital, Saitama, JapanCorresponding Author:Taisei YasudaDepartment of Otolaryngology-Head and Neck SurgeryAgeo Central General Hospital1-10-10 Kashiwaza, AgeoSaitama, Japan, 362-8588Tel: +81-48-773-1111E-mail: taisei1229@gmail.com