Head and neck cancer refers to a group of cancers that develop in the tissues of the head and neck region. This area includes the mouth, throat (pharynx), voice box (larynx), nose, sinuses, and salivary glands. These cancers can also affect the lymph nodes in the neck. Head and neck cancer is categorized based on the specific area in which it originates. The treatment includes surgery, chemotherapy, radiotherapy, targeted therapy and immunotherapy either as a single or combination treatment depending on the stage. Dr.Aswin is an expert in treating all these malignancies and he has published his experiences on the same.