HEAD AND NECK CANCER GUIDE Head and Neck Cancer Overview Head and Neck Cancer Symptoms Head and Neck Cancer Causes Head and Neck Cancer Types Oral Cancer Laryngeal Cancer Throat Cancer Cancer of Salivary Glands Nasal and Sinus cancer Head and Neck Cancer Diagnosis Head and Neck Cancer Treatment Head and Neck Cancer Prevention Oral Cancer Oral cancer is the most common type of head and neck cancer. It can affect a number of areas in and around the mouth including:liptonguethe inside of your cheeksall regions of the mouthgumsSymptoms of mouth cancer include persistent ulcerations in the mouth and/or small tumors formed in the mouth, both of which are painful.