Oral cancer is defined by the international classification of diseases by malignant tumors affecting any location of the oral cavity, throat, lips (including the tonsils and pharynx). Their most common location is in the floor of the mouth (mucous membrane under the tongue), Maple side of the tongue and the soft palate.
More than 90% of these cancers are known as carcinomas affecting the oral mucosa epithelium. The remaining match the rarest forms of tumors and lymphomas, sarcomas, including melanomas, etc. Oral cancer is associated with high mortality rates, which is due in large part to its late diagnosis.